U.S. patent application number 17/258988 was filed with the patent office on 2021-09-09 for sterilization module, and sterilization apparatus and ultraviolet irradiation device comprising same.
This patent application is currently assigned to SUZHOU LEKIN SEMICONDUCTOR CO., LTD.. The applicant listed for this patent is SUZHOU LEKIN SEMICONDUCTOR CO., LTD.. Invention is credited to Sang Hun AN, Sang Hoon BONG, Dae Hun KIM, Sung June PARK.
Application Number | 20210276834 17/258988 |
Document ID | / |
Family ID | 1000005621755 |
Filed Date | 2021-09-09 |
United States Patent
Application |
20210276834 |
Kind Code |
A1 |
BONG; Sang Hoon ; et
al. |
September 9, 2021 |
STERILIZATION MODULE, AND STERILIZATION APPARATUS AND ULTRAVIOLET
IRRADIATION DEVICE COMPRISING SAME
Abstract
An embodiment discloses a sterilization module comprising: a
frame including a support part that includes one surface and one
end, and a fastening part connected to the one end; a first circuit
board disposed in the fastening part; and an ultraviolet
irradiation device disposed on the first circuit board, wherein the
support part comprises: the other end facing the one end; and a
side end facing the other end. The frame comprises: a protrusion
connected to the side end of the support part; and a guide part
connected to the other end of the support part. The fastening part
and the guide part extend in a first direction perpendicular to one
surface of the support part, and the protrusion extends in a
direction opposite to the first direction. The guide part
comprises: a first guide part and a second guide part that are
spaced apart from each other in a second direction parallel to the
one end. The other end comprises a recess between the first guide
part and the second guide part, wherein the recess is concave
toward the one end.
Inventors: |
BONG; Sang Hoon; (Seoul,
KR) ; PARK; Sung June; (Seoul, KR) ; AN; Sang
Hun; (Seoul, KR) ; KIM; Dae Hun; (Seoul,
KR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
SUZHOU LEKIN SEMICONDUCTOR CO., LTD. |
Taicang City |
|
CN |
|
|
Assignee: |
SUZHOU LEKIN SEMICONDUCTOR CO.,
LTD.
Taicang City
CN
|
Family ID: |
1000005621755 |
Appl. No.: |
17/258988 |
Filed: |
July 5, 2019 |
PCT Filed: |
July 5, 2019 |
PCT NO: |
PCT/KR2019/008266 |
371 Date: |
January 8, 2021 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B66B 31/00 20130101;
A61L 2/10 20130101; A61L 2202/20 20130101 |
International
Class: |
B66B 31/00 20060101
B66B031/00; A61L 2/10 20060101 A61L002/10 |
Foreign Application Data
Date |
Code |
Application Number |
Jul 10, 2018 |
KR |
10-2018-0080052 |
Jul 10, 2018 |
KR |
10-2018-0080053 |
Jul 10, 2018 |
KR |
10-2018-0080054 |
Jul 30, 2018 |
KR |
10-2018-0088630 |
Claims
1-10. (canceled)
11. A sterilization module comprising: a frame comprising a support
portion comprising one surface and one end portion and a fastening
portion connected to the one end portion; a first circuit board
disposed on the fastening portion; and an ultraviolet light
emitting device disposed on the first circuit board, wherein the
support portion comprises another end portion opposite to the one
end portion and side end portions facing each other with the other
end portion therebetween, wherein the frame comprises a protruding
portion connected to the side end portions of the support portion
and a guide portion connected to the other end portion of the
support portion.
12. The sterilization module of claim 11, wherein the fastening
portion and the guide portion extend in a first direction
perpendicular to the one surface of the support portion, and
wherein the protruding portion extends in a direction opposite to
the first direction.
13. The sterilization module of claim 12, wherein the guide portion
comprises a first guide portion and a second guide portion disposed
to be spaced apart from each other in a second direction parallel
to the one end portion.
14. The sterilization module of claim 13, wherein the other end
portion comprises a recess between the first guide portion and the
second guide portion, and wherein the recess is concave toward the
one end portion.
15. The sterilization module of claim 11, wherein the side end
portions comprise a first side end portion and a second side end
portion to face each other, and wherein the protruding portion
comprises a first protruding portion and a second protruding
portion connected to the first side end portion and the second side
end portion, respectively.
16. The sterilization module of claim 13, wherein the support
portion comprises a first fastening hole passing through the one
surface to another surface of the support portion.
17. The sterilization module of claim 16, wherein the first
fastening hole comprise a 1-1 fastening hole and a 1-2 fastening
hole which are disposed to be spaced apart from each other in the
second direction.
18. The sterilization module of claim 16, wherein the first
fastening hole is disposed to be closer to the side end portion
than the guide portion.
19. The sterilization module of claim 14, wherein the other end
portion comprises a concave portion concave toward the one end
portion, and wherein the guide portion and the recess are disposed
in the concave portion.
20. The sterilization module of claim 13, the ultraviolet light
emitting device is disposed to be spaced part from each other in
the second direction.
21. The sterilization module of claim 13, comprising a reflection
member disposed on the first circuit board, wherein the reflection
member comprises: a first reflector disposed on the first circuit
board; and a second reflector and a third reflector connected to
both ends of the first reflector in the first direction, wherein
the first reflector comprises a first through hole in which the
ultraviolet light emitting device is disposed, and wherein a
distance between the second reflector and the third reflector
gradually increases in a direction away from the first circuit
board.
22. A sterilization device comprising: a case; a housing disposed
in the case; a sterilization module disposed in the housing; a
first cover disposed above the sterilization module; and a wiring
portion configured to supply power to the sterilization module,
wherein the sterilization module comprises: a frame comprising a
support portion comprising one surface and one end portion and a
fastening portion connected to the one end portion; a first circuit
board disposed on the fastening portion; and an ultraviolet light
emitting device disposed on the first circuit board, wherein the
support portion comprises another end portion opposite to the one
end portion and side end portions facing each other with the other
end portion therebetween, wherein the frame comprises a protruding
portion connected to the side end portions of the support portion
and a guide portion connected to the other end portion of the
support portion.
23. The sterilization device of claim 22, wherein the fastening
portion and the guide portion extend in a first direction
perpendicular to the one surface of the support portion, and
wherein the protruding portion extends in a direction opposite to
the first direction.
24. The sterilization device of claim 22, wherein the other end
portion comprises a recess concave toward the one end portion, and
wherein the wiring portion is connected to the first circuit board
and extends toward an inside of the housing through the recess.
25. The sterilization device of claim 24, wherein the guide portion
comprises a first guide portion and a second guide portion spaced
apart in a second direction parallel to the one end portion, and
the recess is disposed between the first guide portion and the
second guide portion.
26. The sterilization device of claim 24, comprising: a second
circuit board disposed inside the housing; and a connector disposed
on the second circuit board, wherein the wiring portion is
connected to the connector.
27. The sterilization device of claim 25, wherein the support
portion is disposed on a front portion of the housing, wherein the
support portion comprises a first fastening hole passing through
the one surface to another surface of the support portion, wherein
the front portion comprises a second through hole overlapped with
the recess, a second fastening hole corresponding to the first
fastening hole, and a pair of third fastening holes passing through
the front portion.
28. The sterilization device of claim 27, wherein the first guide
portion and the second guide portion are disposed in the pair of
third fastening holes.
29. The sterilization device of claim 28, wherein the sterilization
module is fixed to the housing by a fastening member coupled to the
first cover and extending to the first fastening hole and the
second fastening hole.
30. The sterilization device of claim 26, comprising a fourth
reflector and a fifth reflector disposed in the case, wherein the
fourth reflector and the fifth reflector are disposed on both end
sides of the fastening portion in a second direction parallel to
the one end portion, and wherein a distance between the fourth
reflector and the fifth reflector is gradually reduced in a
direction away from the first circuit board.
Description
TECHNICAL FIELD
[0001] The present invention relates to a sterilization module and
a sterilization apparatus and an ultraviolet irradiation device
including the same.
BACKGROUND ART
[0002] Escalators and moving walks have been installed at a variety
of places such as a subway station, an airport, a department store,
and the like where there is a large floating population and are
conveniently used by a lot of people. However, handrails which are
safety devices for escalators and moving walkways have a problem of
being easily exposed to germs.
[0003] Recently, devices configured to sterilize handrails using
ultraviolet light emitting devices have been developed. Ultraviolet
light emitting devices may output light UV-A of a near-ultraviolet
wavelength range, may output light UV-B of a far-ultraviolet
wavelength range, and may output light UV-C of a deep-ultraviolet
wavelength range. Among them, the light UV-C of the
deep-ultraviolet wavelength range may have a sterilization
function.
[0004] When an ultraviolet irradiation device emits light toward a
handrail directly, the ultraviolet irradiation device may be
contaminated by foreign substances falling from the handrail such
that the intensity of irradiation may be decreased.
[0005] Also, since a user generally holds a handrail while moving,
side surfaces of the handrail may be easily exposed to germs.
Accordingly, it is necessary to sterilize side surfaces of the
handrail.
[0006] Also, it is necessary to manufacture ultraviolet light
emitting devices in a module form and detachably couple the light
emitting devices to a sterilization device for periodical
inspection, maintenance, and repair.
[0007] Also, there are a variety of escalators and moving walkways
such as a glass type in which a glass plate is disposed inside a
handrail rotating on an infinite orbit, a stainless steel (SUS)
type in which a metallic support frame is disposed, and the like.
Accordingly, it is necessary to design a product compatible with a
variety of types of escalators and moving walkways.
DISCLOSURE
Technical Problem
[0008] Embodiments provide a sterilization module easily attachable
to or detachable from a sterilization device.
[0009] Embodiments provide a sterilization device of which a
problem of degradation in sterilization power caused by
contamination of an optical system such as a light source, a
reflector, or the like with foreign substances is solved.
[0010] Embodiments provide a sterilization device capable of
sterilizing even side surfaces of a handrail.
[0011] Embodiments provide an ultraviolet irradiation device
compatible with a variety of types of escalators and moving
walkways.
[0012] Embodiments provide an ultraviolet irradiation device to or
from which a light source module is attachable or detachable.
[0013] Embodiments provide an ultraviolet irradiation device
configured to sterilize even side surfaces of a handrail.
[0014] Aspects of the present invention are not limited thereto and
include objectives and effects which are recognizable from the
following aspects or embodiments.
Technical Solution
[0015] A 1-1st aspect of the present invention provides a
sterilization device including a frame; a circuit board disposed on
the frame; an ultraviolet light emitting device disposed on the
circuit board; and a first reflector, a second reflector, and a
third reflector which are disposed on the frame. Here, the circuit
board includes one end portion and another end portion which face
each other with a length in a first direction and a pair of side
end portions which are parallel in a second direction with the one
end portion therebetween. The first reflector is disposed on the
one end portion side of the circuit board. The second reflector and
the third reflector are disposed on the other end portion side of
the circuit board. The second reflector and the third reflector
face each other in the first direction. The first reflector is
overlapped with the circuit board in a third direction
perpendicular to the first direction and the second direction. The
second reflector and the third reflector are disposed to face the
first reflector. The second reflector and the third reflector are
disposed to be spaced apart from the other end portion in the
second direction.
[0016] The first reflector may be tilted with respect to the second
direction.
[0017] The second reflector and the third reflector may be tilted
with respect to the first direction.
[0018] A distance between the second reflector and the third
reflector may be gradually reduced in a direction away from the
first reflector.
[0019] A maximum distance between the second reflector and the
third reflector may be greater than a length of the other end
portion in the first direction.
[0020] The second reflector and the third reflector may not be
overlapped with the circuit board in the third direction.
[0021] The first reflector may include a first end portion and a
second end portion facing the first end portion and disposed to be
farther from the circuit board than the first end portion, may have
a curvature from the first end portion to the second end portion,
and may be concave toward the ultraviolet light emitting
device.
[0022] The second reflector and the third reflector may each
include a third end portion and a fourth end portion facing the
third end portion and disposed to be farther from the first
reflector than the third end portion, may have a curvature from the
third end portion to the fourth end portion, and may be concave to
each other.
[0023] The sterilization device may include a reflection member
disposed on the circuit board.
[0024] The reflection member may include a fourth reflector
disposed on the circuit board, and the fourth reflector may include
a through hole in which the ultraviolet light emitting device is
disposed.
[0025] The reflection member may include a fifth reflector and a
sixth reflector which are bent from both ends of the fourth
reflector in the second direction and face each other.
[0026] A 1-2nd aspect of the present invention provides a
sterilization device including a frame; a circuit board disposed on
the frame and including one end portion, another end portion, and a
pair of side end portions facing each other with the one end
portion therebetween; an ultraviolet light emitting device disposed
on the circuit board; and a first reflector, a second reflector,
and a third reflector which are disposed on the frame. Here, the
first reflector is disposed on the one end portion side, and the
second reflector and the third reflector are disposed on the other
end portion side. The second reflector and the third reflector face
each other with a moving structure therebetween in a first
direction parallel to the one end portion. The first reflector is
overlapped with the circuit board in a third direction
perpendicular to the first direction and a second direction
parallel to the side end portions. The first reflector is disposed
to face the second reflector, the third reflector, and the moving
structure. The second reflector and the third reflector are
disposed to face the moving structure. The second reflector and the
third reflector are disposed to be spaced apart from the other end
portion in the second direction.
[0027] The circuit board may be tilted at a first acute angle with
respect to the moving structure. The first reflector may include a
first reflecting surface disposed to face the moving structure, and
the first reflecting surface may be tilted at a second acute angle
smaller than the first acute angle with respect to the moving
structure.
[0028] The first reflector may include a first end portion and a
second end portion facing the first end portion and disposed to be
farther from the circuit board than the second end portion, may
have a curvature from the first end portion to the second end
portion, and may be concave toward the moving structure.
[0029] The second reflector and the third reflector may include a
second reflecting surface and a third reflecting surface which are
disposed to face the moving structure, respectively. A distance
between the second reflecting surface and the third reflecting
surface may be gradually reduced in a direction away from the first
reflector.
[0030] A 2-1st aspect of the present invention provides a
sterilization device including a frame; a circuit board disposed on
the frame; an ultraviolet light emitting device disposed on the
circuit board; a first reflector disposed on the frame; and an air
ejection module disposed on the frame. Here, the first reflector is
disposed to face the ultraviolet light emitting device. The air
ejection module includes a roller assembly and a pump assembly. The
pump assembly includes a cylinder; a piston disposed in the
cylinder; and a first nozzle opened toward the first reflector. The
air ejection module includes a power transmission member configured
to connect the roller assembly to the piston.
[0031] The sterilization device may include a second reflector and
a third reflector which are disposed on the frame. Here, the
circuit board includes one end portion and another end portion
which face each other with a length in a first direction and a pair
of side end portions which are parallel in a second direction with
the one end portion therebetween. The first reflector is disposed
on the one end portion side of the circuit board. The second
reflector and the third reflector are disposed on the other end
portion side of the circuit board. The second reflector and the
third reflector face each other in the first direction. The first
reflector is overlapped with the circuit board in a third direction
perpendicular to the first direction and the second direction. The
second reflector and the third reflector are disposed to face the
first reflector. The second reflector and the third reflector are
disposed to be spaced apart from the other end portion in the
second direction.
[0032] The roller assembly may include a roller; a first gear
coupled to the roller; and a second gear engaged with the first
gear. The number of teeth of the second gear may be greater than
the number of teeth of the first gear.
[0033] The cylinder may include a second nozzle opened toward the
ultraviolet light emitting device.
[0034] The sterilization device may include a reflection member
disposed on the circuit board.
[0035] The reflection member may include a fourth reflector
disposed on the circuit board, and the fourth reflector may include
a through hole in which the ultraviolet light emitting device is
disposed.
[0036] The reflection member may include a fifth reflector and a
sixth reflector which are bent from both ends of the fourth
reflector and face each other. The through hole may extend to the
fifth reflector and the sixth reflector.
[0037] The second nozzle may be disposed corresponding to the
through hole.
[0038] The power transmission member may include a crank arm
rotated by the roller assembly and a connecting rod configured to
connect the crank arm to the pump assembly.
[0039] The frame may include a pair of sidewall portions facing
each other; a first support portion configured to connect the pair
of sidewall portions and on which the first reflector is disposed;
and a second support portion, respectively, and a third support
portion which are connected to the pair of sidewall portions and on
which the second reflector and the third reflector are disposed,
respectively.
[0040] The frame may include an opening defined by the pair of
sidewall portions and the first support portion. The air ejection
module and the opening may be disposed on sides opposite to each
other on the basis of the first support portion.
[0041] The first support portion may include a first area in which
the first reflector is disposed; and a second area configured to
connect the pair of sidewall portions and to surround the first
area. A pair of slits passing through the first support portion may
be disposed between the second area and both ends of the first area
in the first direction.
[0042] A 2-2nd aspect of the present invention provides a
sterilization device including a frame; a circuit board disposed on
the frame; an ultraviolet light emitting device disposed on the
circuit board; a first reflector disposed on the frame; and an air
ejection module disposed on the frame to come into contact with a
moving structure. Here, the first reflector is disposed to face the
ultraviolet light emitting device. The air ejection module includes
a roller assembly including a roller rotating according to movement
of the moving structure and a pump assembly. The pump assembly
includes a cylinder; a piston disposed in the cylinder; and a first
nozzle opened toward the first reflector. The air ejection module
includes a power transmission member configured to connect the
roller assembly to the piston.
[0043] The first reflector may be disposed below the moving
structure to face the moving structure.
[0044] A 3-1st aspect of the present invention provides a
sterilization module including a frame including a support portion
including one surface and one end portion and a fastening portion
connected to the one end portion; a first circuit board disposed on
the fastening portion; and an ultraviolet light emitting device
disposed on the first circuit board. Here, the support portion
includes another end portion opposite to the one end portion and
side end portions facing each other with the other end portion
therebetween. The frame includes a protruding portion connected to
the side end portions of the support portion and a guide portion
connected to the other end portion of the support portion. The
fastening portion and the guide portion extend in a first direction
perpendicular to the one surface of the support portion. The
protruding portion extends in a direction opposite to the first
direction. The guide portion includes a first guide portion and a
second guide portion disposed to be spaced apart from each other in
a second direction parallel to the one end portion. The other end
portion includes a recess between the first guide portion and the
second guide portion, and the recess is concave toward the one end
portion.
[0045] The side end portions may include a first side end portion
and a second side end portion facing each other. Here, the
protruding portion may include a first protruding portion and a
second protruding portion connected to the first side end portion
and the second side end portion, respectively.
[0046] The support portion may include a first fastening hole
passing through the one surface to another surface of the support
portion.
[0047] The first fastening hole may include a 1-1 fastening hole
and a 1-2 fastening hole which are disposed to be spaced apart from
each other in the second direction.
[0048] The first fastening hole may be disposed to be closer to the
side end portion than the guide portion.
[0049] The other end portion may include a concave portion concave
toward the one end portion. The guide portion and the recess may be
disposed in the concave portion.
[0050] A plurality of such ultraviolet light emitting devices may
be disposed to be spaced part from each other in the second
direction.
[0051] The sterilization module may include a reflection member
disposed on the first circuit board. Here, the reflection member
may include a first reflector disposed on the first circuit board;
and a second reflector and a third reflector connected to both ends
of the first reflector in the first direction. The first reflector
may include a first through hole in which the ultraviolet light
emitting device is disposed. A distance between the second
reflector and the third reflector may gradually increase in a
direction away from the first circuit board.
[0052] A 3-2nd aspect of the present invention provides a
sterilization device including a case; a housing disposed in the
case; a sterilization module disposed in the housing; a first cover
disposed above the sterilization module; and a wiring portion
configured to supply power to the sterilization module. Here, the
sterilization module includes a frame including a support portion
including one surface and one end portion and a fastening portion
connected to the one end portion; a first circuit board disposed on
the fastening portion; and an ultraviolet light emitting device
disposed on the first circuit board. The support portion includes
another end portion opposite to the one end portion and side end
portions facing each other with the other end portion therebetween.
The frame includes a protruding portion connected to the side end
portions of the support portion and a guide portion connected to
the other end portion of the support portion. The fastening portion
and the guide portion extend in a first direction perpendicular to
the one surface of the support portion. The protruding portion
extends in a direction opposite to the first direction. The other
end portion includes a recess concave toward the one end portion.
The wiring portion is connected to the first circuit board and
extends toward an inside of the housing through the recess.
[0053] The guide portion may include a first guide portion and a
second guide portion spaced apart in a second direction parallel to
the one end portion, and the recess may be disposed between the
first guide portion and the second guide portion.
[0054] The sterilization device may include a second circuit board
disposed inside the housing; and a connector disposed on the second
circuit board. Here, the wiring portion may be connected to the
connector.
[0055] The support portion may be disposed on a front portion of
the housing, and the front portion may include a second through
hole overlapped with the recess.
[0056] The support portion may be disposed on a front portion of
the housing, and the front portion may include a pair of third
fastening holes passing through the front portion. The first guide
portion and the second guide portion may be disposed in the pair of
third fastening holes, respectively.
[0057] The support portion may be disposed on a front surface of
the housing. Here, the support portion may include a first
fastening hole passing through the one surface to another surface
of the support portion, and the front surface may include a second
fastening hole corresponding to the first fastening hole.
[0058] The sterilization module may be fixed to the housing by a
fastening member coupled to the first cover and extending to the
first fastening hole and the second fastening hole.
[0059] The sterilization device may include a fourth reflector and
a fifth reflector disposed in the case. Here, the fourth reflector
and the fifth reflector may be disposed on both end sides of the
fastening portion in a second direction parallel to the one end
portion. A distance between the fourth reflector and the fifth
reflector may gradually be reduced in a direction away from the
first circuit board.
[0060] A fourth aspect of the present invention provides an
ultraviolet irradiation device including a first housing including
a top portion and a pair of first side portions facing each other
with the top portion therebetween; a pair of second housings
coupled to the pair of first side portions, respectively; and a
light source module disposed on the top portion of the first
housing and including an ultraviolet light emitting device. Here,
the pair of first side portions each include a first fastening
hole. Each of the second housings includes a second side portion
connected to the first side portion and a first bent portion bent
from the second side portion and extending toward a space between
the first side portions. The second side portions each include a
second fastening hole disposed at a position overlapped with the
first fastening hole. The second fastening hole has a long hole
shape longer than the first fastening hole in a direction facing
the first bent portion. The ultraviolet light emitting device may
be disposed to face a space between a pair of the first bent
portions.
[0061] The ultraviolet irradiation device may include fastening
members disposed in the first fastening hole and the second
fastening hole, respectively.
[0062] The first bent portions may each include a third fastening
hole.
[0063] A distance between a pair of such first bent portions may be
shorter than a distance between a pair of such second side
portions.
[0064] The first side portion may include a fourth fastening hole
passing through the first side portion. The second housing may
include a first protruding portion bent from the second side
portion and disposed in the fourth fastening hole. The second side
portion and the first protruding portion may be disposed on both
surfaces of the first side portion, respectively. The first
protruding portion may extend to be parallel to a direction
opposite to the second side portion.
[0065] The light source module may include a frame and a first
circuit board disposed on the frame. A plurality of such
ultraviolet light emitting devices may be arranged on the first
circuit board in a first direction. The frame may include a fixing
portion; a second bent portion bent from the fixing portion; and a
pair of second protruding portions bent from both ends of the
fixing portion to face each other. The first circuit board may be
disposed on the second bent portion. The fixing portion may include
a first side surface connected to the second bent portion and a
second side surface facing the first side surface. The fixing
portion may include a first recess formed in the second side
surface to be concave toward the first side surface and a fifth
fastening hole passing through one surface and another surface of
the fixing portion.
[0066] The ultraviolet irradiation device may include a reflection
member disposed on the first circuit board. Here, the reflection
member may include a first reflector disposed on the first circuit
board; and a second reflector and a third reflector bent from both
ends of the first reflector in a second direction perpendicular to
the first direction. The first reflector may include a plurality of
first through holes in which the plurality of ultraviolet light
emitting devices are disposed. A distance between the second
reflector and the third reflector may gradually increase in a
direction away from the first circuit board.
[0067] The first housing may include a top portion and a front
portion disposed to be perpendicular to the pair of first side
portions. The front portion may include a sixth fastening hole
corresponding to the fifth fastening hole and fastening members
disposed in the fifth fastening hole and the sixth fastening
hole.
[0068] The ultraviolet irradiation device may include a second
circuit board disposed on the top portion and a connector disposed
on the second circuit board. The front portion may include a second
through hole overlapped with the first recess to allow the
connector to be exposed.
[0069] The frame may include a pair of third protruding portions
bent from the fixing portion to face the second bent portion. The
front portion may include a pair of seventh fastening holes. The
pair of third protruding portions may be disposed in the pair of
seventh fastening holes, respectively.
[0070] The fixing portion may include a pair of convex portions
protruding into the first recess and connected to the pair of third
protruding portions and a concave portion disposed between the pair
of convex portions.
[0071] The fixing portion may have a first width from the first
side surface to the concave portion, which is smaller than a second
width from the first side surface to the convex portion.
[0072] The ultraviolet irradiation device may include a case
configured to surround the housing. The case may include a top case
facing the top portion, a pair of side cases facing the pair of
first side portions, and a front case facing the front portion.
[0073] The ultraviolet irradiation device may include a fourth
reflector and a fifth reflector disposed in the pair of side cases.
Here, the fourth reflector and the fifth reflector may be disposed
to be spaced apart in the first direction. A distance between the
fourth reflector and the fifth reflector may gradually be reduced
in a direction away from the first circuit board.
[0074] The fourth reflector and the fifth reflector may reflect
part of light emitted from the plurality of ultraviolet light
emitting devices.
Advantageous Effects
[0075] A sterilization module according to embodiments can be
easily attachable to or detachable from a sterilization device.
[0076] The sterilization device according to embodiments can solve
a problem of a degradation in sterilizing power which is caused by
contamination of a light source with foreign substances stacked on
the light source.
[0077] Also, the light source or a reflector can be cleaned by
periodical air ejection.
[0078] Also, side surfaces of the handrail can be sterilized
without disposing light sources on side surfaces of the
handrail.
[0079] In an ultraviolet irradiation device according to
embodiments, a second fastening hole can have a long hole shape so
as to be compatible with a variety of SUS type escalators and the
like. Also, a first housing is left unchanged and a second housing
can be replaced with a third housing so as to be compatible with a
glass type escalator or the like.
[0080] Also, a light source module can be easily attachable to or
detachable from the ultraviolet irradiation device.
[0081] A variety of advantages and effects of the present invention
are not limited thereto and will be easily understood throughout
the detailed description of the embodiments.
DESCRIPTION OF DRAWINGS
[0082] FIG. 1 is a view illustrating a target structure;
[0083] FIG. 2 is a view illustrating a state in which a
sterilization device according to a first embodiment of the present
invention is mounted on the target structure of FIG. 1;
[0084] FIG. 3 is a perspective view of the sterilization device of
FIG. 2;
[0085] FIG. 4 is an exploded perspective view of the sterilization
device of FIG. 3;
[0086] FIG. 5 is a perspective view illustrating a first frame of
FIG. 4;
[0087] FIG. 6 is a perspective view illustrating a second frame of
FIG. 4;
[0088] FIG. 7 is a perspective view of a light source module of
FIG. 3;
[0089] FIG. 8 is an exploded perspective view of the light source
module of FIG. 7;
[0090] FIG. 9 is a front view of the light source module of FIG.
7;
[0091] FIG. 10 is a side view of the light source module of FIG.
7;
[0092] FIG. 11 is a perspective view of an air ejection module of
FIG. 3;
[0093] FIG. 12 is a plan view of the air ejection module of FIG.
11;
[0094] FIG. 13 is an exploded perspective view of a roller assembly
of FIG. 11;
[0095] FIG. 14 is a cross-sectional view taken along line A-A of
FIG. 12;
[0096] FIG. 15 is a cross-sectional view taken along line B-B of
FIG. 12;
[0097] FIG. 16 is a cross-sectional view of the sterilization
device of FIG. 3;
[0098] FIG. 17 is an enlarged view illustrating part A of FIG.
16;
[0099] FIG. 18 is a front view of the sterilization device of FIG.
3;
[0100] FIG. 19 is a view illustrating a basic example of the
sterilization device of FIG. 2;
[0101] FIG. 20 is a view illustrating a state in which a
sterilization device according to a second embodiment of the
present invention is mounted on the target structure;
[0102] FIG. 21 is a perspective view of the sterilization device of
FIG. 20;
[0103] FIG. 22 is an exploded perspective view of the sterilization
device of FIG. 21;
[0104] FIG. 23 is a perspective view of a sterilization module of
FIG. 22;
[0105] FIG. 24 is an exploded perspective view of the sterilization
module of FIG. 23;
[0106] FIG. 25 is a front view of the sterilization module of FIG.
23;
[0107] FIG. 26 is a plan view of the sterilization module of FIG.
23;
[0108] FIG. 27 is a side view of the sterilization module of FIG.
23;
[0109] FIG. 28 is a view illustrating a front portion of a housing
of FIG. 22;
[0110] FIG. 29 is a view illustrating a state in which the
sterilization module is coupled to the front portion of FIG.
28;
[0111] FIG. 30 is a view illustrating a wiring portion connected to
the sterilization module of FIG. 23;
[0112] FIG. 31 is a cross-sectional view of the sterilization
device of FIG. 21;
[0113] FIG. 32 is a cross-sectional view taken along line A-A of
FIG. 31;
[0114] FIG. 33 is a perspective view illustrating a state in which
an ultraviolet irradiation device according to a third embodiment
of the present invention is mounted on the target structure;
[0115] FIG. 34 is a perspective view of the ultraviolet irradiation
device of FIG. 33;
[0116] FIG. 35 is an exploded perspective view of the ultraviolet
irradiation device of FIG. 34;
[0117] FIG. 36 is a plan view illustrating a state in which a
housing of FIG. 35 is fixed to the target structure;
[0118] FIG. 37 is a side view illustrating a state in which the
housing of FIG. 35 is fixed to the target structure;
[0119] FIG. 38 is a side view illustrating a state in which the
housing of FIG. 35 is fixed to a target structure having a
different size;
[0120] FIGS. 39 to 41 are views illustrating a process of coupling
a second housing to a first housing of FIG. 35;
[0121] FIG. 42 is a perspective view illustrating a light source
module of FIG. 35;
[0122] FIG. 43 is an exploded perspective view of the light source
module of FIG. 42;
[0123] FIG. 44 is a front view of the light source module of FIG.
42;
[0124] FIG. 45 is a plan view of the light source module of FIG.
42;
[0125] FIG. 46 is a side view of the light source module of FIG.
42;
[0126] FIG. 47 is a plan view illustrating a front portion of the
first housing of FIG. 35;
[0127] FIG. 48 is a view illustrating a state in which the light
source module is coupled to the front portion of FIG. 47;
[0128] FIG. 49 is a cross-sectional view of the ultraviolet
irradiation device of FIG. 34;
[0129] FIG. 50 is a cross-sectional view taken along line A-A of
FIG. 49;
[0130] FIG. 51 is a perspective view illustrating an ultraviolet
irradiation device according to a fourth embodiment of the present
invention;
[0131] FIG. 52 is an exploded perspective view of a housing and a
fixing portion of FIG. 51;
[0132] FIGS. 53 to 56 are views illustrating a variety of examples
of installing the ultraviolet irradiation device of FIG. 51;
and
[0133] FIG. 57 illustrates a basic example of the ultraviolet
irradiation device of FIG. 33.
MODES OF THE INVENTION
[0134] Hereinafter, exemplary embodiments of the present invention
will be described in detail with reference to the drawings.
[0135] However, the present invention is not limited to the
embodiments disclosed below but can be implemented in various
forms. One or more components of the embodiments may be selectively
combined or substituted with one another without departing from the
scope of the technical concept of the present invention.
[0136] Also, unless defined otherwise, the terms (including
technical and scientific terms) used herein may be used as meanings
capable of being commonly understood by one of ordinary skill in
the art. Also, terms defined in generally used dictionaries may be
construed in consideration of the contextual meanings of the
related art.
[0137] Also, the terms used herein are intended to describe the
embodiments but not intended to restrict the present invention.
[0138] Throughout the specification, unless stated otherwise
particularly, singular forms include plural forms. When at least
one (or one or more) of A, B, and C is stated, this may include one
or more of all combinations of A, B, and C.
[0139] Also, in describing components of the embodiments of the
present invention, the terms such as first, second, A, B, (a), (b),
and the like may be used.
[0140] These terms are merely for distinguishing one element from
another, and the essential, order, sequence, and the like of
corresponding elements are not limited by the terms.
[0141] Also, when it is stated that one element is "connected,"
"coupled," or "joined" to another, the element may not only be
directly connected, coupled, or joined to the other element but
also be connected, coupled, or joined to the other element with
another intervening element.
[0142] Also, when it is stated that an element is formed or
disposed "above or below" another element, the two elements may not
only come into direct contact with each other but also still
another element may be formed or disposed between the two elements.
Also, being "above (on) or below (beneath)" may include not only
being an upward direction but also being a downward direction on
the basis of one element.
[0143] FIG. 1 is a view illustrating a target structure, FIG. 2 is
a view illustrating a state in which a sterilization device
according to a first embodiment of the present invention is mounted
on the target structure of FIG. 1, and FIG. 19 is a view
illustrating a basic example of the sterilization device of FIG.
2.
[0144] Referring to FIG. 1, a target structure 20 may include all
of a variety of structures such as an escalator and moving walk
which transfer a user to a designated position.
[0145] The target structure 20 may include a moving structure 21
and a frame 23 including an internal space which the moving
structure 21 enters or exits from. The moving structure 21 may mean
a handrail provided in an escalator or moving walk but is not
necessarily limited thereto. Hereinafter, only a case in which the
moving structure 21 is a handrail of an escalator or moving walk
will be described.
[0146] Referring to FIG. 2, a sterilization device 10 according to
the first embodiment of the present invention may be fixed to a
housing 23 of the target structure by a fastening member such as a
bolt and the like. Here, the sterilization device 10 may be
disposed inside the housing 23. However, the present invention is
not necessarily limited thereto, and the sterilization device 10
may be fixed to another component of the target structure or may be
disposed to be exposed to the outside of the target structure.
[0147] FIG. 3 is a perspective view of the sterilization device of
FIG. 2, and FIG. 4 is an exploded perspective view of the
sterilization device of FIG. 3.
[0148] Referring to FIGS. 3 and 4, the sterilization device 10 may
include a frame 100, a light source module 200, first to third
reflectors 410, 420, and 430, and an air ejection module 300.
[0149] The frame 100 may include a first frame 110 fixed to the
housing of the target structure and a second frame 120 fixed to the
first frame 110.
[0150] A substrate 111 to which the light source module 200 is
fixed may be disposed on the first frame 110. The substrate 111 may
be integrally formed with the first frame 110 but is not
necessarily limited thereto.
[0151] The first frame 110 may accommodate the air ejection module
300.
[0152] The second frame 120 may be coupled to the first frame 110
by a fastening member such as a bolt or the like.
[0153] The second frame 120 may include a pair of sidewall portions
121a and 121b facing each other, a first support portion 123
configured to connect a bottom of a first sidewall portion 121a to
a bottom of a second sidewall portion 121b, a second support
portion 125a connected to a top of the first sidewall portion 121a,
and a third support portion 125b connected to a top of the second
sidewall portion 121a. The second support portion 125a and the
third support portion 125b may be disposed to face each other. The
second frame 120 may include an opening defined by the pair of
sidewall portions 121a and 121b and the first support portion 123.
The air ejection module 300 and the opening of the second frame 120
may be disposed on sides opposite to each other on the basis of the
first support portion 123. Accordingly, foreign substances may be
discharged by air ejected by the air ejection module 300 through
the opening of the second frame 120.
[0154] The pair of sidewall portions 121a and 121b may be coupled
to the first frame 110 by a fastening member such as a bolt or the
like.
[0155] The light source module 200 may emit ultraviolet rays and be
coupled to the substrate 111 by a fastening member such as a bolt
or the like.
[0156] The air ejection module 300 may be disposed to come into
contact with the moving structure and may generate an airflow
ejected toward a first reflecting surface of the first reflector
410 according to movement of the moving structure.
[0157] The air ejection module 300 may include a roller assembly
310 including a roller rotating according to movement of the moving
structure, a pump assembly 320 configured to generate an airflow
ejected toward the first reflecting surface of the first reflector
410, and a power transmission member 330 configured to provide the
pump assembly 320 with torque of the roller assembly 310 as a power
source. The power transmission member 330 may include a crank tool.
However, the present invention is not necessarily limited thereto,
and the air ejection module 300 may include a fan or blower (not
shown) configured to rotate due to torque of the roller assembly
310 instead of the pump assembly 320.
[0158] The first reflector 410 may be disposed on the first support
portion 123, the second reflector 420 may be disposed on the second
support portion 125a, and the third reflector 430 may be disposed
on the third support portion 125b. The first to third reflectors
410, 420, and 430 may be disposed inside the second frame 120. The
first to third reflectors 410, 420, and 430 may include aluminum
(Al) but are not necessarily limited thereto and may include other
materials having a high ultraviolet reflection rate.
[0159] The first to third reflectors 410, 420, and 430 may be fixed
to the second frame 120 using an adhesive (not shown).
[0160] FIG. 5 is a perspective view illustrating the first frame of
FIG. 4.
[0161] Referring to FIGS. 4 and 5, the first frame 110 may include
a first vertical portion 113 fixed to the housing of the target
structure, a second vertical portion 115 facing the first vertical
portion 113, an accommodation portion 117 disposed between the
first vertical portion 113 and the second vertical portion 115, and
a horizontal portion 119 bent from the second vertical portion 115.
The substrate 111 may be connected to the horizontal portion 119 to
be tilted. The accommodation portion 117 may include a cavity 117a
with one open surface.
[0162] The roller assembly 310 may be inserted into the cavity 117a
through the open one surface of the cavity 117a. A case of the
roller assembly 310 may include a step portion mounted on the
horizontal portion 119.
[0163] The pump assembly 320 may be coupled to the horizontal
portion 119 by a fastening member such as a bolt or the like.
[0164] The second vertical portion 115 may include a pair of
through holes 115a into which connecting rods of a pair of such
power transmission members 330 are inserted, and the accommodation
portion 117 may include a pair of guide slits 117b into which both
ends of a crank shaft disposed on the roller assembly 310 are
inserted.
[0165] FIG. 6 is a perspective view illustrating the second frame
of FIG. 4.
[0166] Referring to FIGS. 4 and 6, the first support portion 123
may include a first area 123a in which the first reflector 410 is
disposed and a second area 123b configured to connect the pair of
sidewall portions 121a and 121b and surround the first area
123a.
[0167] Both ends of the first area 123a may be connected to the
second area 123b. Through slits 123c passing through the first
support portion 123 may be disposed between the second area 123b
and other both ends of the first area 123a. Accordingly, foreign
substances may be smoothly discharged by the air ejected by the air
ejection module 300 through not only the opening of the second
housing 120 but also the pair of through slits 123c.
[0168] FIG. 7 is a perspective view of the light source module of
FIG. 3, FIG. 8 is an exploded perspective view of the light source
module of FIG. 7, FIG. 9 is a front view of the light source module
of FIG. 7, and FIG. 10 is a side view of the light source module of
FIG. 7.
[0169] Referring to FIGS. 7 and 8, the light source module 200 may
include a circuit board 220 and an ultraviolet light emitting
device 230 and may further include a fixing plate 210 and/or a
reflection member 240.
[0170] The fixing plate 210 may assist heat dissipation of the
ultraviolet light emitting device 230. The fixing plate 210 may
include Al but is not necessarily limited thereto and may include
other materials having an excellent heat dissipation property.
[0171] The circuit board 220 may be disposed on the fixing plate
210.
[0172] The circuit board 220 may include one end portion 221,
another end portion 223, and a pair of side end portions 225 and
227 facing each other with the one end portion 221 therebetween. An
X-axis direction (first direction) may be a direction parallel to
the one end portion 221, a Y-axis direction (second direction) may
be a direction parallel to the side end portions 225 and 227, and a
Z-axis direction (third direction) may be a direction perpendicular
to each of the X-axis direction and the Y-axis direction.
[0173] The ultraviolet light emitting device 230 may be disposed on
the circuit board 220. When a plurality of such ultraviolet light
emitting devices 230 are provided, the plurality of ultraviolet
light emitting devices 230 may be arranged in a row in the X-axis
direction. Although it is shown that four ultraviolet light
emitting devices 230 are disposed on the circuit board 220, the
present invention is not necessarily limited thereto. Three or less
or five or more ultraviolet light emitting devices 230 may be
disposed on the circuit board 220.
[0174] The ultraviolet light emitting devices 230 may output light
UV-A of a near-ultraviolet wavelength range, may output light UV-B
of a far-ultraviolet wavelength range, and may output light UV-C of
a deep-ultraviolet wavelength range. A wavelength range of light
may be determined by a composition ratio of Al in a semiconductor
structure.
[0175] For example, the light UV-A of the near-ultraviolet
wavelength range may have a range from 320 nm to 420 nm, the light
UV-B of the far-ultraviolet wavelength range may have a range from
280 nm to 320 nm, and the light UV-C of the deep-ultraviolet
wavelength range may have a range from 100 nm to 280 nm.
[0176] The reflection member 240 may be disposed on the circuit
board 220 and may be fixed to the fixing plate 210 with the circuit
board 220 by a fastening member such as a bolt or the like.
[0177] The reflection member 240 may restrict a light emission
range of the ultraviolet light emitting device 230 to be, for
example, within the first reflector. The reflection member 240 may
include Al but is not necessarily limited thereto and may include
other materials having a high ultraviolet light reflectance. Also,
the reflection member 240 may perform a heat dissipation function
of externally dissipating heat generated from the ultraviolet light
emitting device 230. It may be significant for the ultraviolet
light emitting device 230 to quickly dissipate heat.
[0178] Referring to FIG. 9, the reflection member 240 may include a
fourth reflector 244 disposed on the circuit board 220 and a fifth
reflector 245 and a sixth reflector 246 bent from both ends of the
fourth reflector 244 in the Y-axis direction.
[0179] The fourth reflector 244 may include a through hole 244a in
which the ultraviolet light emitting device 230 is disposed. When
the plurality of ultraviolet light emitting devices 230 are
provided, one ultraviolet light emitting device 230 may be disposed
for each through hole 244a.
[0180] The fifth reflector 245 and the sixth reflector 246 may
extend in the X-axis direction, and the fifth reflector 245 and the
sixth reflector 246 may be disposed to face each other while being
spaced apart in the Y-axis direction.
[0181] Referring to FIG. 10, the fifth reflector 245 and the sixth
reflector 246 may include a fifth reflecting surface C5 and a sixth
reflecting surface C6 which face each other, respectively.
[0182] The fifth reflector 245 and the sixth reflector 246 may be
disposed to be tilted from the fourth reflector 244 at a certain
angle. That is, a distance D1 between the fifth reflecting surface
C5 and the sixth reflecting surface C6 may gradually increase in a
direction away from the circuit board 220. For example, the angle
formed between the fifth reflecting surface C5 and the sixth
reflecting surface C6 may be from 20 degrees to 60 degrees but is
not necessarily limited thereto.
[0183] FIG. 11 is a perspective view of the air ejection module of
FIG. 3, FIG. 12 is a plan view of the air ejection module of FIG.
11, FIG. 13 is an exploded perspective view of the roller assembly
of FIG. 11, FIG. 14 is a cross-sectional view taken along line A-A
of FIG. 12, and FIG. 15 is a cross-sectional view taken along line
B-B of FIG. 12.
[0184] Referring to FIG. 11, the air ejection module 300 may
include the roller assembly 310 including the roller rotating
according to movement of the moving structure, the pump assembly
320 configured to generate an airflow ejected toward the first
reflecting surface of the first reflector 410, and the power
transmission member 330 configured to provide the pump assembly 320
with torque of the roller assembly 310 as a power source. The power
transmission member 330 may include a crank tool.
[0185] The torque of the roller assembly 310 may be converted into
power which is supplied to the light source module.
[0186] The power transmission member 330 may include a crank arm
331 rotated by the roller assembly 310 and a connecting rod 333
configured to connect the crank arm 331 to the pump assembly
320.
[0187] The connecting rod 333 may be rotatably connected to the
crank arm 331 through a first pin P1 and rotatably connected to the
pump assembly 320 through a second pin P2. The first pin P1 may be
disposed to be parallel to a crank shaft S2 which is a rotating
shaft of the crank arm 331. However, the present invention is not
necessarily limited thereto and a variety of well-known power
transmission members capable of converting torque into a
reciprocating action may be included as the power transmission
member 330.
[0188] Referring to FIG. 12, the torque of the roller assembly 310
may be stably transmitted to the pump assembly 320 through the pair
of power transmission members 330.
[0189] Referring to FIG. 13, the roller assembly 310 may include a
roller 311 configured to come into contact with one surface of the
moving structure and rotate according to movement of the moving
structure and may further include a first gear 313 coupled to the
roller 311, a second gear 315 engaged with the first gear 313,
and/or a case 317. The case 317 may accommodate the roller 311, the
first gear 313, and the second gear 315.
[0190] The number of teeth of the second gear 315 may be greater
than the number of teeth of the first gear 313.
[0191] The case 317 may include an opening 317a disposed to expose
a part of the roller 311 to the outside, a through hole 317b in
which a rotating shaft S1 of the roller 311 is disposed, and a
through hole 317c in which the crank shaft S2 which is the rotating
shaft of the second gear 315 is disposed. To prevent separation
from the case 317, stopper members P may be coupled to both ends of
the rotating shaft S1 of the roller 311 and the crank arms 331 may
be coupled to both ends of the crank shaft S2.
[0192] Referring to FIG. 14, the pump assembly 320 may include a
cylinder 321 and a piston 323 disposed in the cylinder 321. The
cylinder 321 may include a first nozzle 321a opened toward the
first reflecting surface of the first reflector.
[0193] The second pin P2 of the power transmission member may be
disposed in the piston 323. Accordingly, the piston 323 may
reciprocate inside the cylinder 321 due to the power transmission
member. When the piston 323 moves toward the first nozzle 321a, air
inside the cylinder 321 may be compressed. The air compressed by
the piston 323 may be ejected through the first nozzle 321a toward
the first reflecting surface of the first reflector. The air
ejected through the first nozzle 321a may externally discharge
foreign substances falling from the handrail and stacked on the
first reflecting surface of the first reflector.
[0194] Referring to FIG. 15, the cylinder 321 may further include a
second nozzle 321b opened toward the light source module. The air
compressed by the piston 323 may be ejected through the first
nozzle 321a and the second nozzle 321b. The air ejected through the
second nozzle 321b may assist heat dissipation of the light source
module. A cross-sectional area of an exit of the second nozzle 321b
may be equal to or different from a cross-sectional area of an exit
of the first nozzle 321a. FIG. 16 is a cross-sectional view of the
sterilization device of FIG. 3, FIG. 17 is an enlarged view
illustrating part A of FIG. 16, and FIG. 18 is a front view of the
sterilization device of FIG. 3.
[0195] Referring to FIGS. 16 and 17, the substrate 111 may include
one surface 111a facing one surface 21a of the moving structure 21
and another surface 111b opposite to the one surface 111a. The
light source module 200 may be disposed on the other surface 111b
of the substrate 111. Here, the fixing plate 210 may be disposed
between the substrate 111 and the circuit board 220 and improve
heat dissipation performance of the light source module 200.
[0196] The light source module 200 may be disposed below the moving
structure 21 but is not necessarily limited thereto.
[0197] The circuit board 220 may be disposed to be tilted at a
first acute angle with respect to a direction in which the moving
structure 21 moves. For example, an angle .theta.1 between one
surface of the circuit board 220 and the moving structure 21 may be
greater than zero degrees and smaller than 90 degrees and may
preferably be greater than or equal to 45 degrees and smaller than
90 degrees. When the angle .theta.1 is greater than or equal to 45
degrees, the number of reflectors necessary for transmitting light
of the light module 200 to the one surface 21a of the moving
structure 21 may be minimized. For example, when the angle .theta.1
is smaller than 45 degrees, two or more reflectors may be necessary
for transmitting light of the light module 200 to the one surface
21a of the moving structure 21. However, the present invention is
not necessarily limited thereto, and the angle .theta.1 may be
smaller than 45 degrees. When the angle .theta.1 may be smaller
than 90 degrees, it is possible to solve a problem of foreign
substances attached to a surface of the moving structure 21 falling
directly on the light source module 200.
[0198] The first reflector 410 may be overlapped with the circuit
board 220 in the Z-axis direction. Accordingly, all light emitted
from the ultraviolet light emitting devices 230 may be emitted
toward the first reflector 410.
[0199] On the other hand, the second reflector 420 and the third
reflector 430 may not be overlapped with the first circuit board
220 in the Z-axis direction. For example, the second reflector 420
and the third reflector 430 may be disposed to be spaced apart from
the other end portion 223 of the circuit board 220 in the Y-axis
direction.
[0200] The first reflector 410 may be disposed to be tilted with
respect to the Y-axis direction. That is, the first reflector 410
may be disposed to be tilted with respect to the circuit board 220.
The second reflector 420 and the third reflector 430 may be
disposed to face the first reflector 410. Accordingly, light
emitted from the ultraviolet light emitting devices 230 may be
emitted toward the first reflector 410 and at least a part of the
light reflected by the first reflector 410 may be emitted toward
the second reflector 420 and the third reflector 430.
[0201] The first reflector 410 may include a first reflecting
surface C1 disposed to face the moving structure 21, and the first
reflecting surface C1 may be disposed to be tilted at a second
acute angle smaller than the first acute angle with respect to the
moving structure 21. That is, an angle .theta.2 between the first
reflecting surface C1 and the moving structure 21 may be greater
than zero degrees and smaller than the angle .theta.1 between the
one surface of the circuit board 220 and the moving structure.
Accordingly, the light emitted by the ultraviolet light emitting
devices 230 may be reflected by the first reflecting surface C1 and
emitted toward the one surface 21a of the moving structure 21.
Meanwhile, when the first reflecting surface C1 has a curvature,
the angle .theta.2 between the first reflecting surface C1 and the
moving structure 21 may mean an angle between the moving structure
21 and a virtual segment B which connects both ends of the first
reflecting surface C1.
[0202] The first reflector 410 may include a first end portion 410a
and a second end portion 410b facing the first end portion 410a and
disposed to be farther from the circuit board 220 than the first
end portion 410a. The first reflector 410 may have a curvature from
the first end portion 410a to the second end portion 410b and may
have a concave shape toward the ultraviolet light emitting devices
230 and the moving structure 21. Accordingly, the first reflecting
surface C1 may improve sterilization performance by condensing the
light of the ultraviolet light emitting devices 230. The first
reflecting surface C1 may be divided into a plurality of areas
having different curvatures.
[0203] The through hole 244a of the fourth reflector 244 may extend
to the fifth reflector 245 and the sixth reflector 246.
Accordingly, a side surface of the ultraviolet light emitting
device 230 may be exposed outward through the through hole 244a.
Also, air ejected by the second nozzle 321b of the pump assembly
320 may reach the ultraviolet light emitting device 230 through the
through hole 244a. That is, the through hole 244a may provide a
path through which the air ejected by the second nozzle 321b moves
toward the ultraviolet light emitting device 230. As a result, it
is possible to assist heat dissipation of the ultraviolet light
emitting device 230. A plurality of such second nozzles 321b may be
disposed corresponding to a plurality of such through holes 244a.
For example, when there are four through holes 244a, four second
nozzles 321b may be provided. The plurality of first nozzles 321a
may each be disposed between the plurality of second nozzles 321b
but are not necessarily limited thereto.
[0204] Referring to FIG. 18, the first reflector 410 may be
disposed on one end portion side of the circuit board 220, and the
second reflector 420 and the third reflector 430 may be disposed on
the other end portion side of the circuit board 220.
[0205] The second reflector 420 and the third reflector 430 may be
disposed to be overlapped with the moving structure 21 in the
X-axis direction and may face both side surfaces 21b of the moving
structure 21.
[0206] The second reflector 420 and the third reflector 430 may be
disposed to be tilted with respect to the X-axis direction. The
second reflector 420, the third reflector 430, and the moving
structure 21 may be disposed to face the first reflector 410.
Accordingly, light reflected by the first reflector 410 may be
emitted toward the one surface 21a of the moving structure 21 and
reflected by the second reflector 420 and the third reflector 430
to be emitted toward the both side surfaces 21b of the moving
structure 21.
[0207] The second reflector 420 may include a second reflecting
surface C2, and the third reflector 430 may include a third
reflecting surface C3.
[0208] A distance D2 between the second reflecting surface C2 and
the third reflecting surface C3 may be gradually reduced in a
direction away from the first reflector 410. A maximum value of the
distance D2 between the second reflecting surface C2 and the third
reflecting surface C3 may be greater than a length of the other end
portion 223 of the circuit board 220 in the X-axis direction.
[0209] The second reflector 420 and the third reflector 430 may
include third end portions 420a and 430a and fourth end portions
420b and 430b facing the third end portions 420a and 430a and
disposed to be farther from the first reflector 410 than the third
end portions 420a and 430a, respectively. The second reflector 420
and the third reflector 430 may have curvatures from the third end
portions 420a and 430a to the fourth end portions 420b and 430b,
respectively, and may have a concave shape toward each other.
Accordingly, the second reflecting surface C2 and the third
reflecting surface C3 may improve sterilization performance by
condensing light.
[0210] The first reflecting surface C1 may be disposed to face the
one surface 21a of the moving structure 21, the second reflecting
surface C2, and the third reflecting surface C3. For example, a
width W1 of the first reflecting surface C1 in the X-axis direction
may be greater than a width W2 of the moving structure 21 in the
X-axis direction. Accordingly, the first reflecting surface C1 may
reflect light emitted from the light source module 200 and emit the
light toward the one surface 21a of the moving structure 21, the
second reflecting surface C2, and the third reflecting surface C3.
The second reflecting surface C2 and the third reflecting surface
C3 may reflect a part of light emitted from the light source module
200 and reflected by the first reflecting surface C1 and may emit
the light toward the both side surfaces 21b of the moving structure
21. Meanwhile, the plurality of ultraviolet light emitting devices
230 may be arranged in the X-axis direction and uniformly emit
ultraviolet rays toward the moving structure 21.
[0211] There is provided a method of installing a sterilization
device on a moving structure. Here, the sterilization device
includes a frame; a circuit board disposed on the frame and
including one end portion, another end portion, and one surface; an
ultraviolet light emitting device disposed on the one surface of
the circuit board; and a first reflector, a second reflector, and a
third reflector which are disposed on the frame. The method
includes disposing the frame below the moving structure; disposing
another surface of the circuit board which is opposite to the one
surface of the circuit board to face the moving structure;
disposing the one end portion of the circuit board to be farther
from the moving structure than the other end portion; disposing the
first reflector below the one end portion of the circuit board to
face the circuit board and the moving structure; disposing the
second reflector and the third reflector above the other end
portion of the circuit board; allowing the second reflector and the
third reflector to face each other with the moving structure
therebetween; and disposing the second reflector and the third
reflector to face the first reflector and the moving structure. In
the above, respective operations of the method of installing the
sterilization device are not restricted by an order.
[0212] There is provided a method of sterilizing a moving structure
using a sterilization device. Here, the sterilization device
includes a frame; a circuit board disposed on the frame and
including one end portion and another end portion; an ultraviolet
light emitting device disposed on one surface of the circuit board;
and a first reflector, a second reflector, and a third reflector
which are disposed on the frame. The moving structure includes a
bottom surface and both side surfaces. The sterilization method
includes emitting first ultraviolet light rays in a direction away
from the moving structure below the moving structure; reflecting
the first ultraviolet rays, using the first reflector, as second
ultraviolet rays toward a bottom surface of the moving structure,
the second reflector, and the third reflector; and reflecting the
second ultraviolet rays, using the second reflector and the third
reflector, as third ultraviolet rays toward the both side surfaces
of the moving structure.
[0213] The components stated above in the method of sterilizing
using the sterilization device and the method of sterilizing the
moving structure may be referred to as the same reference numerals
as the components having the same designations described above with
reference to FIGS. 1 to 18.
[0214] FIG. 19 is a view illustrating a basic example of the
sterilization device of FIG. 2.
[0215] Referring to FIG. 19, the sterilization device 10 may
include the frame 100, the circuit board 220 disposed on the frame
100, the ultraviolet light emitting devices 230 disposed on the
circuit board 220, the first reflector 410 disposed on the frame
100, and the air ejection module 300 disposed on the frame 100. The
above description with reference to FIGS. 3 to 18 may be applied
equally to the sterilization device 10 of FIG. 19.
[0216] FIG. 20 is a view illustrating a state in which a
sterilization device according to a second embodiment of the
present invention is mounted on the target structure.
[0217] Referring to FIG. 20, a sterilization device 1010 according
to the second embodiment of the present invention may be mounted on
a target structure 1020 and sterilize a moving structure 1030 of
the target structure 1020. The target structure 1020 may include
all of a variety of structures such as an escalator and moving walk
which transfer a user to a designated position. The moving
structure 1030 may mean a handrail provided on an escalator or
moving walk but is not necessarily limited thereto. Hereinafter,
only a case in which the moving structure 1030 is a handrail of an
escalator or moving walk will be described.
[0218] The sterilization device 1010 may be mounted to be exposed
outside the target structure 1020 but is not necessarily limited
thereto and may be mounted in the target structure 1020. Also, a
sterilization module may be separated from the sterilization device
1010 and installed to be disposed below the moving structure 1030
separately.
[0219] FIG. 21 is a perspective view of the sterilization device of
FIG. 20, and FIG. 22 is an exploded perspective view of the
sterilization device of FIG. 21.
[0220] Referring to FIGS. 21 and 22, the sterilization device 1010
may include a housing 1100, a sterilization module 1300, a case
1500, a first cover 1530, and a wiring portion (not shown) and may
further include a coupling portion 1200 and/or a power source
module 1400.
[0221] The housing 1100 may be disposed in the case 1500 and may
include a top portion 1111, a pair of side portions 1113, a front
portion 1115, and a rear portion 1117.
[0222] The top portion 1111 may be disposed to be perpendicular to
the pair of side portions 1113, the front portion 1115, and the
rear portion 1117.
[0223] The pair of side portions 1113 may be disposed to face each
other. The front portion 1115 and the rear portion 1117 may be
disposed to face each other and may be disposed to be perpendicular
to the pair of side portions 1113.
[0224] A second circuit board 1130 may be disposed below the top
portion 1111. That is, the second circuit board 1130 may be
disposed in the housing 1100 defined by the top portion 1111, the
pair of side portions 1113, the front portion 1115, and the rear
portion 1117. A connector 1140 may be disposed on the second
circuit board 1130.
[0225] The second circuit board 1130 may be an interface substrate
configured to connect the sterilization module 1300 to the power
source module 1400. The sterilization module 1300 may be connected
to the second circuit board 1130 through the connector 1140.
[0226] The second circuit board 1130 may be connected to the power
source module 1400 and may receive electricity generated by the
power source module 1400. The coupling portion 1200 may fix the
housing 1100 to the target structure.
[0227] The coupling portion 1200 may include a first coupling plate
1210 and a second coupling plate 1220 coupled to the pair of side
portions 1113, respectively. The first coupling plate 1210 and the
second coupling plate 1220 may be pressed against the target
structure so as to fix the housing 1100 to the target structure. A
distance between the first coupling plate 1210 and the second
coupling plate 1220 may be adjusted. A structure capable of
adjusting the distance between the first coupling plate 1210 and
the second coupling plate 1220 is not particularly limited.
[0228] The sterilization module 1300 may emit ultraviolet rays and
may be disposed on the housing 1100.
[0229] For example, the sterilization module 1300 may be fixed to
the front portion 1115 of the housing 1100 by a fastening member
such as a bolt or the like. The fastening member may be coupled to
the first cover 1530 and extend toward a first fastening hole 1311d
of the sterilization module 1300 and a second fastening hole 1115a
of the front portion 1115. Here, since a position of the
sterilization module 1300 is fixed while a guide portion 1317 is
inserted into a third fastening hole of the front portion 1115, the
first cover 1530 may be easily separated and coupled.
[0230] The power source module 1400 may generate electricity to be
supplied to the sterilization module 1300 and may be coupled to the
housing 1100.
[0231] The case 1500 may be coupled to the housing 1100 to form an
exterior of the sterilization device 1010.
[0232] The case 1500 may include a plastic material but is not
necessarily limited thereto.
[0233] The case 1500 may include a top case 1510 facing the top
portion 1111 of the housing 1100 and a pair of side cases 1520
facing the pair of side portions 1113 of the housing 1100,
respectively.
[0234] The top case 1510 may include a window 1511 configured to
output sterilization-related information.
[0235] The pair of side cases 1520 may include a fourth reflector
1521a and a fifth reflector 1521b coupled to the side cases 1520 by
fastening members such as bolts and the like to face each other.
The fourth reflector 1521a and the fifth reflector 1521b may
reflect ultraviolet rays emitted from the sterilization module
1300. The fourth reflector 1521a and the fifth reflector 1521b may
be coupled to the case 1500 instead of the sterilization module
1300 so as to easily attach or detach the sterilization module
1300. The fourth reflector 1521a and the fifth reflector 1521b may
include Al but are not necessarily limited thereto and may include
other materials having a high ultraviolet reflection rate.
[0236] The first cover 1530 may be disposed on the front portion
1115 of the housing 1100. The first cover 1530 and the
sterilization module 1300 may be fixed together to the front
portion 1115 of the housing 1100 by fastening members such as bolts
and the like. That is, the first cover 1530 may be attached to or
detached from the front portion 1115 of the housing 1100.
Accordingly, when the first cover 1530 is separated from the front
portion 1115 of the housing 1100, the front portion 1115 of the
housing 1100 may be exposed outside. Also, the sterilization module
1300 coupled to the front portion 1115 of the housing 1100 may be
attached or detached.
[0237] The second cover 1540 may be disposed on the rear portion
1117 of the housing 1100. The second cover 1540 may be fixed to the
rear portion 1117 of the housing 1100 by a fastening member such as
a bolt or the like.
[0238] The first cover 1530 may include a first elastic pad 1531,
and the second cover 1540 may include a second elastic pad 1541.
The first elastic pad 1531 and the second elastic pad 1541 may
prevent a hand of a user from being inserted into the case 1500.
Also, it is possible to solve a problem in which the user's hand is
caught between the case 1500 and the handrail and damaged.
[0239] The first elastic pad 1531 and the second elastic pad 1541
may include an elastic material such as silicone and the like.
[0240] The first elastic pad 1531 and the second elastic pad 1541
may be attached to or detached from the first cover 1530 and the
second cover 1540, respectively. For example, the first cover 1530
and the second cover 1540 may include fourth fastening holes 1530a
and 1540a, respectively, and the first elastic pad 1531 and the
second elastic pad 1541 may include fifth protruding portions 1531a
and 1541a which are inserted into the fourth fastening holes 1530a
and 1540a, respectively.
[0241] The wiring portion may connect the second circuit board 1130
to the sterilization module 1300 and may supply electricity
generated by the power source module 1400 to the sterilization
module 1300.
[0242] FIG. 23 is a perspective view of the sterilization module of
FIG. 22, and FIG. 24 is an exploded perspective view of the
sterilization device of FIG. 23.
[0243] Referring to FIGS. 23 and 24, the sterilization module 1300
may include a frame 1310, a first circuit board 1320, and an
ultraviolet light emitting device 1330 and may further include a
reflection member 1340.
[0244] The frame 1310 may include a support portion 1311, a
fastening portion 1313, a protruding portion 1315, and a guide
portion 1317.
[0245] The support portion 1311 may include one end portion 1311a,
another end portion 1311b opposite to the one end portion 1311a,
and side end portions 1311c facing each other with the other end
portion 1311b therebetween. The side end portions 1311c may include
a first side end portion 1311c and a second side end portion 1311c
which face each other.
[0246] The fastening portion 1313 may be connected to the one end
portion 1311a of the support portion 1311, the protruding portion
1315 may be connected to the side end portion 1311c of the support
portion 1311, and the guide portion 1317 may be connected to the
other end portion 1311b of the support portion 1311.
[0247] The fastening portion 1313 and the guide portion 1317 may
extend in an X-axis direction (first direction) perpendicular to
one surface of the support portion 1311, and the protruding portion
1315 may extend in a direction opposite to the X-axis
direction.
[0248] The protruding portion 1315 may include a first protruding
portion 1315 and a second protruding portion 1315 which connect to
the first side end portion 1311c and the second side end portion
1311c, respectively.
[0249] The guide portion 1317 may include a first guide portion
1317 and a second guide portion 1317 which are disposed to be
spaced apart from each other in a Y-axis direction (second
direction) parallel to the one end portion 1311a of the support
portion 1311. The Y-axis direction may be perpendicular to the
X-axis direction. The support portion 1311 may include a first
fastening hole 1311d passing through the one surface to another
surface of the support portion 1311. The first fastening hole 1311d
may include a 1-1 fastening hole 1311d and a 1-2 fastening hole
1311d which are disposed to be spaced apart from each other in the
Y-axis direction. The first fastening hole 1311d may be disposed to
be closer to the side end portion 1311c of the support portion 1311
than the guide portion 1317. The other end portion 1311b of the
support portion 1311 may include a recess 1311e between the first
guide portion 1317 and the second guide portion 1317. The recess
1311e may have a concave shape toward the one end portion 1311a of
the support portion 1311. The other end portion 1311b of the
support portion 1311 may include a concave portion 1311f toward the
one end portion 1311a. The guide portion 1317 and the recess 1311e
may be disposed in the concave portion 1311f.
[0250] The frame 1310 may include Al but is not necessarily limited
thereto and may include other materials having an excellent heat
dissipation property.
[0251] The first circuit board 1320 may be disposed on the
fastening portion 1313, and the ultraviolet light emitting device
1330 may be disposed on the first circuit board 1320. For example,
a plurality of such ultraviolet light emitting devices 1330 may be
disposed on the first circuit board 1320 to be spaced apart from
each other in the Y-axis direction but the present invention is not
necessarily limited thereto, and only one ultraviolet light
emitting device 1330 may be disposed.
[0252] The ultraviolet light emitting devices 1330 may output light
UV-A of a near-ultraviolet wavelength range, may output light UV-B
of a far-ultraviolet wavelength range, and may output light UV-C of
a deep-ultraviolet wavelength range. A wavelength range of light
may be determined by a composition ratio of Al in a semiconductor
structure.
[0253] For example, the light UV-A of the near-ultraviolet
wavelength range may have a range from 320 nm to 420 nm, the light
UV-B of the far-ultraviolet wavelength range may have a range from
280 nm to 320 nm, and the light UV-C of the deep-ultraviolet
wavelength range may have a range from 100 nm to 280 nm.
[0254] The reflection member 1340 may be disposed on the first
circuit board 1320. The reflection member 1340 and the first
circuit board 1320 may be fixed together to the fastening portion
1313 using a fastening member such as a bolt or the like.
[0255] The reflection member 1340 may reflect light emitted from
the ultraviolet light emitting device 1330. Also, the reflection
member 1340 may perform a heat dissipation function of externally
dissipating heat generated from the ultraviolet light emitting
device 1330. It may be significant for the ultraviolet light
emitting device 1330 to quickly dissipate heat.
[0256] The reflection member 1340 may include Al but is not
necessarily limited thereto and may include other materials having
a high ultraviolet light reflectance.
[0257] FIG. 25 is a front view of the sterilization module of FIG.
23, FIG. 26 is a plan view of the sterilization module of FIG. 23,
and FIG. 27 is a side view of the light source module of FIG.
23.
[0258] Referring to FIG. 25, the frame 1310 may include a pair of
third protruding portions 1319a bent from one end of the fastening
portion 1313 in the X-axis direction and a pair of fourth
protruding portions 1319b bent from another end of the fastening
portion 1313 in the second direction. The third protruding portions
1319a may be disposed below the fourth protruding portions 1319b.
That is, a distance between the support portion 1311 and the third
protruding portions 1319a may be greater than a distance between
the support portion 1311 and the fourth protruding portions
1319b.
[0259] The third protruding portions 1319a and the fourth
protruding portions 1319b may be adjacent to side surfaces of the
first circuit board 1320 which face each other. Particularly, the
pair of third protruding portions 1319a may be disposed in a pair
of second recesses 1320a formed in the first circuit board 1320.
Accordingly, the first circuit board 1320 may be stably supported,
on the fastening portion 1313, by the third protruding portions
1319a and the fourth protruding portions 1319b. As a result, a user
may fasten a fastening member B such as a bolt and the like while
the first circuit board 1320 is stably supported.
[0260] The third protruding portions 1319a and the fourth
protruding portions 1319b may be disposed while being spaced apart
in the Y-axis direction. That is, the third protruding portions
1319a and the fourth protruding portions 1319b may be mutually
misaligned. Accordingly, an area in which a circuit pattern (not
shown) of the first circuit board 1320 may be formed without
interference with the second recesses 1320a may be secured above or
below the ultraviolet light emitting device 1330.
[0261] The plurality of ultraviolet light emitting devices 1330 may
be disposed to be spaced apart from each other in the Y-axis
direction.
[0262] The reflection member 1340 may include a first reflector
1341 disposed on the first circuit board 1320 and second and third
reflectors 1342 and 1343 connected to both ends of the first
reflector 1341 in the X-axis direction.
[0263] The first to third reflectors 1341, 1342, and 1343 may
extend in the Y-axis direction, and the second reflector 1342 and
the third reflector 1343 may be disposed while being spaced apart
in the X-axis direction. The first reflector 1341 may include a
plurality of first through holes 1341a in which the plurality of
ultraviolet light emitting devices 1330 are disposed.
[0264] Referring to FIG. 26, the guide portion 1317 and the recess
1311e may be disposed in the concave portion 1311f, and the recess
1311e may be disposed between the first guide portion 1317 and the
second guide portion 1317. Accordingly, a first width W1 of the
support portion 1311 from the one end portion 1311a to the recess
1311e may be smaller than a second width W2 from the one end
portion 1311a to the guide portion 1317.
[0265] The first through hole 1341a of the first reflector 1341 may
extend to the second reflector and the third reflector 1343.
Accordingly, side surfaces of the ultraviolet light emitting device
1330 may be exposed outside the reflection member 1340 through the
first through hole 1341a.
[0266] Referring to FIG. 27, the second reflector 1342 and the
third reflector 1343 may be disposed to be tilted from the first
reflector 1341 at a certain angle.
[0267] The second reflector 1342 and the third reflector 1343 may
be disposed to be spaced apart from each other in the X-axis
direction. A distance D1 between the second reflector 1342 and the
third reflector 1343 may gradually increase in a direction away
from the first circuit board 1320. For example, an angle formed
between the second reflector 1342 and the third reflector 1343 may
be from 20 degrees to 60 degrees but is not necessarily limited
thereto.
[0268] FIG. 28 is a view illustrating the front portion of the
housing of FIG. 22, FIG. 29 is a view illustrating a state in which
the sterilization module is coupled to the front portion of FIG.
28, and FIG. 30 is a view illustrating the wiring portion connected
to the sterilization module of FIG. 23.
[0269] Referring to FIGS. 22 and 28, the front portion 1115 may
include a second fastening hole 1115a passing through from one
surface to another surface of the front portion 1115. The second
fastening hole 1115a may be disposed corresponding to the first
fastening hole 1311d of the sterilization module 1300. Accordingly,
the sterilization module 1300 may be fixed to the housing 1100 by
fastening members such as bolts and the like inserted into the
first fastening hole 1311d and the second fastening hole 1115a.
[0270] The front portion 1115 may include a second through hole
1115b passing through the one surface to the other surface of the
front portion 1115. The second through hole 1115b may expose the
connector 1140 disposed on the second circuit board 1130.
[0271] The front portion 1115 may include a pair of third through
holes 1115c passing through the one surface to the other surface of
the front portion 1115.
[0272] Referring to FIG. 29, the support portion 1311 of the
sterilization module 1300 may be disposed on the front portion 1115
of the housing 1100.
[0273] A position of the support portion 1311 may be fixed by
inserting the first and second guide portions 1317 into the third
fastening hole. Here, the recess 1311e and the concave portion
1311f of the support portion 1311 may be overlapped with the second
through hole 1115b of the front portion 1115. Accordingly, the
connector 1140 disposed on the second circuit board 1130 may be
exposed outward through the second through hole 1115b and the first
recess 1311c.
[0274] Referring to FIGS. 29 and 30, a wiring portion 1600 may be
connected to the first circuit board 1320.
[0275] The wiring portion 1600 may include a wire but is not
necessarily limited thereto and may include another electrical
component such as a flexible circuit board and the like that is
capable of transmitting electricity.
[0276] The user may connect the wiring portion 1600 connected to
the first circuit board 1320 to the connector 1140 while the
sterilization module 1300 is disposed in the housing 1100. Here,
the wiring portion 1600 may extend to an inside of the housing
through the recess 1311e and the concave portion 1311f Meanwhile, a
pair of protruding portions 1315 may be utilized as a handle when
the user attaches or detaches the sterilization module 1300 but is
not necessarily limited thereto.
[0277] FIG. 31 is a cross-sectional view of the sterilization
device of FIG. 21.
[0278] Referring to FIG. 31, the top portion 1111 of the housing
1100 may be disposed to face one surface 1030a of the handrail, and
the pair of side portions 1113 may be disposed to face both side
surfaces of the handrail. The second circuit board 1130 may be
disposed on the top portion 1111 to face the one surface 1030a of
the handrail.
[0279] The housing 1100 may include an inlet E1 and an outlet E2.
The handrail may continuously pass through the housing 1100 through
the inlet E1 and the outlet E2. The first elastic pad 1531 and the
second elastic pad 1541 may be disposed on the inlet E1 and the
outlet E2, respectively, to be spaced apart from the one surface
1030a of the handrail.
[0280] The housing 1100 may accommodate the sterilization module
1300 and the power source module 1400. The sterilization module
1300 may emit ultraviolet rays toward the one surface 1030a of the
handrail, and the power source module 1400 may come into contact
with the one surface 1030a of the handrail and may generate
electricity to be supplied to the sterilization module 1300.
[0281] The power source module 1400 may include a roller 1410
configured to come into contact with the one surface 1030a of the
handrail and a power supply portion 1420 configured to produce
electricity through rotation of the roller 1410. The roller 1410
and the power supply portion 1420 may be connected by a gear (not
shown). The power supply portion 1420 may include a variety of
types of self-generation structures capable of converting torque of
the roller 1410 into power.
[0282] The power source module 1400 may directly supply power
generated by the power supply portion 1420 to the sterilization
module 1300 but is not necessarily limited thereto. For example,
the power source module 1400 may store and utilize part of the
power generated by the power supply portion 1420 in a battery (not
shown) as emergency power.
[0283] The roller 1410 and the power supply portion 1420 may be
disposed in a direction from the inlet E1 to the outlet E2 of the
housing 1100. That is, the roller 1410 may be disposed to be
farther from the inlet E1 than the power supply portion 1420 and
may be disposed to be closer to the sterilization module 1300. The
above components may solve a problem in which a user's hand is
drawn into an ultraviolet irradiation device due to the roller
1410.
[0284] The power supply portion 1420 may be disposed to be higher
than a position at which the roller 1410 comes into contact with
the one surface 1030a of the handrail by as much as a certain
height h1. That is, the power supply portion 1420 may be disposed
to be spaced apart from the one surface 1030a of the handrail.
[0285] The power source module 1400 may include an elastic member
1430. The elastic member 1430 may be coupled to the housing 1100
and may connect the power source module 1400 to the inlet E1 of the
housing 1100.
[0286] The elastic member 1430 may press the roller 1410 against
the one surface 1030a of the handrail. The elastic member 1430 may
include a spring but is not necessarily limited thereto.
[0287] FIG. 32 is a cross-sectional view taken along line A-A of
FIG. 31.
[0288] Referring to FIG. 32, the pair of side portions 1113 of the
housing 1100 may be disposed to face both side surfaces 1030b of
the handrail, respectively. The side cases 1520 of the case 1500
which surround the side portions 1113 of the housing 1100 may also
be disposed to face the both side surfaces 1030b of the handrail,
respectively. The fourth reflector 1521a and the fifth reflector
1521b may be coupled to the side cases 1520 by fastening members
such as bolts and the like and may be disposed on both end sides of
the fastening portion 1313 in the Y-axis direction to face the both
side surfaces 1030b of the handrail, respectively.
[0289] The fourth reflector 1521a and the fifth reflector 1521b may
reflect part of light emitted from the ultraviolet light emitting
devices 1330 and may emit the reflected light toward the both side
surfaces 1030b of the handrail.
[0290] The fourth reflector 1521a and the fifth reflector 1521b may
be disposed to be spaced apart in the Y-axis direction, and a
distance between the fourth reflector 1521a and the fifth reflector
1521b may be gradually decreased in a direction away from the first
circuit board 1320. Due to the above components, even when light
sources are not additionally disposed on the side surfaces 1030b of
the handrail, part of the light emitted from the ultraviolet light
emitting devices 1330 may be reflected by the fourth reflector
1521a and the fifth reflector 1521b and may be emitted toward the
side surfaces 1030b of the handrail. The fourth reflector 1521a and
the fifth reflector 1521b may have the same or different
curvatures.
[0291] FIG. 33 is a perspective view illustrating a state in which
an ultraviolet irradiation device according to a third embodiment
of the present invention is mounted on the target structure.
[0292] Referring to FIG. 33, an ultraviolet irradiation device 2010
according to the third embodiment of the present invention may be
mounted on a target structure 2020 and may sterilize a moving
structure 2030 of the target structure 2020. The target structure
2020 may include all of a variety of structures such as an
escalator and moving walk which transfer a user to a designated
position. The moving structure 2030 may mean a handrail provided in
an escalator or moving walk but is not necessarily limited thereto.
Hereinafter, only a case in which the moving structure 2030 is a
handrail of an escalator or moving walk will be described.
[0293] The ultraviolet irradiation device 2010 may be mounted to be
exposed outside the target structure 2020 but is not necessarily
limited thereto and may be mounted in the target structure 2020. In
this case, a light source module may be separated from the
ultraviolet irradiation device 2010 and may be separately disposed
below the moving structure 2030.
[0294] FIG. 34 is a perspective view of the ultraviolet irradiation
device of FIG. 33, FIG. 35 is an exploded perspective view of the
ultraviolet irradiation device of FIG. 34, and FIG. 36 is a plan
view illustrating a state in which a housing of FIG. 35 is fixed to
the target structure.
[0295] Referring to FIGS. 34 to 36, the ultraviolet irradiation
device 2010 may include a housing 2100 and a light source module
2300 and may further include a power source module 2400 and/or a
case 2500.
[0296] The housing 2100 may include a first housing 2110 and a pair
of second housings 2120 coupled to the first housing 2110.
[0297] The first housing 2100 may include a top portion 2111 and a
pair of first side portions 2113 and may further include a front
portion 2115 and/or a rear portion 2117.
[0298] The top portion 2111 may be disposed to be perpendicular to
the pair of first side portions 2113, the front portion 2115, and
the rear portion 2117.
[0299] The pair of first side portions 2113 may be disposed to face
each other. The front portion 2115 and the rear portion 2117 may be
disposed to face each other and may be disposed to be perpendicular
to the pair of first side portions 2113.
[0300] A second circuit board 2130 may be disposed on the top
portion 2111, and a connector 2140 may be disposed on the second
circuit board 2130. The second circuit board 2130 may be an
interface substrate configured to connect the light source module
2300 to the power source module 2400. The light source module 2300
may be connected to the second circuit board 2130 through the
connector 2140.
[0301] The second housing 2120 may include a second side portion
2121 and a first bent portion 2123 bent from the second side
portion 2121 to face the top portion 2111.
[0302] The second side portion 2121 may include a plurality of
second fastening holes 2121a passing through the second side
portion 2121.
[0303] The plurality of second fastening holes 2121a may be
disposed at positions corresponding to a plurality of first
fastening holes 2113a passing through the first side portion 2113.
That is, a distance between the plurality of second fastening holes
2121a may be equal to a distance between the plurality of first
fastening holes 2113a. Accordingly, the second housing 2120 may be
coupled to the first housing 2110 by fastening members such as
bolts and the like disposed in the first fastening holes 2113a and
the second fastening holes 2121a.
[0304] A distance D3 between a pair of such first bent portions
2123 may be shorter than a distance D4 between a pair of such
second side portions 2121. That is, the pair of first bent portions
2123 may be connected to the pair of second side portions 2121 and
may extend in a direction of becoming closer to each other.
[0305] The first bent portion 2123 may include a third fastening
hole 2123a passing through the first bent portion 2123.
[0306] In the third fastening hole 2123a, a fastening member such
as a bolt and the like fastened to one surface of a support frame
2040 configured to support the moving structure 2030 may be
disposed. Accordingly, the housing 2100 may be fixed to the support
frame 2040 of the target structure 2020.
[0307] Although two third fastening holes 2123a are shown as being
disposed for each second housing 2120 but are not necessarily
limited thereto and one or three or more third fastening holes
2123a may be disposed.
[0308] The light source module 2300 may emit ultraviolet light, and
the power source module 2400 may generate power to be supplied to
the light source module 2300.
[0309] The light source module 2300 may be coupled to the front
portion 2115 of the first housing 2110 by a fastening member such
as a bolt and the like.
[0310] The power source module 2400 may be coupled to the pair of
side portions 2113 of the first housing 2110.
[0311] The case 2500 may be coupled to the first housing 2100 to
form an exterior of the ultraviolet irradiation device 2010. The
case 2500 may include a plastic material but is not necessarily
limited thereto.
[0312] The case 2500 may include a top case 2510 facing the top
portion 2111 of the first housing 2110, the pair of side cases 2520
facing the pair of first side portions 2113 of the first housing
2110, and a front case 2530 facing the front portion 2115 of the
first housing 2110 and may further include a rear case 2540 facing
the rear portion 2117 of the first housing 2110.
[0313] The top case 2510 may include a window 2511 configured to
output sterilization-related information.
[0314] The pair of side cases 2520 may include a fourth reflector
2521a and a fifth reflector 2521b coupled to the side cases 2520 by
fastening members such as bolts and the like to face each other.
The fourth reflector 2521a and the fifth reflector 2521b may
reflect ultraviolet rays emitted from the light source module 2300.
The fourth reflector 2521a and the fifth reflector 2521b may be
coupled to the case 2500 instead of the light source module 2300 so
as to easily attach or detach the light source module 2300. The
fourth reflector 2521a and the fifth reflector 2521b may include Al
but are not necessarily limited thereto and may include other
materials having a high ultraviolet reflection rate.
[0315] The front case 2530 may be attached to or detached from the
top case 2510. Accordingly, while the front case 2530 is separated
from the top case 2510, the front portion 2115 of the first housing
2110 may be exposed outward. Also, the light source module 2300
coupled to the front portion 2115 of the first housing 2110 may be
attached or detached.
[0316] The front case 2530 may include a first elastic pad 2531,
and the rear case 2540 may include a second elastic pad 2541. The
first elastic pad 2531 and the second elastic pad 2541 may prevent
a hand of a user from being drawn into the case 2500. Also, it is
possible to solve a problem in which the user's hand is caught
between the case 2500 and the handrail and damaged.
[0317] The first elastic pad 2531 and the second elastic pad 2541
may include an elastic material such as silicone and the like.
[0318] The first elastic pad 2531 and the second elastic pad 2541
may be attached to or detached from the front case 2530 and the
rear case 2540, respectively. For example, the front case 2530 and
the rear case 2540 may include eighth fastening holes 2530a and
2540a, respectively, and the first elastic pad 2531 and the second
elastic pad 2541 may include eighth protruding portions 2531a and
2541a which are inserted into the eighth fastening holes 2530a and
2540a, respectively.
[0319] FIG. 37 is a side view illustrating a state in which the
housing of FIG. 35 is fixed to the target structure, and FIG. 38 is
a side view illustrating a state in which the housing of FIG. 35 is
fixed to a target structure having a different size.
[0320] Referring to FIGS. 37 and 38, the second fastening hole
2121a may have a long hole shape extending in a Z-axis direction
(third direction) which connects the top portion 2111 to the first
bent portion 2123. That is, a width of the second fastening hole
2121a in the Z-axis direction may be greater than a width in a
Y-axis direction (second direction) perpendicular to the Z-axis
direction and may be greater than a width of the first fastening
hole in the Z-axis direction. Accordingly, even when a distance D5
between one surface of the moving structure 2030 and one surface of
the support frame 2040 configured to support the moving structure
2030 varies according to a size of the target structure 2020, it is
possible to adjust a distance between the light source module and
the one surface of the moving structure 2030 to be uniformly
maintained.
[0321] FIGS. 39 to 41 are views illustrating a process of coupling
the second housing to the first housing of FIG. 35.
[0322] Referring to FIG. 39, the first side portion 2113 may
include a fourth fastening hole 2113b passing through the first
side portion 2113, and the second housing 2120 may include a first
protruding portion 2125 bent from the second side portion 2121. The
first protruding portion 2125 may be inserted into the fourth
fastening hole 2113b. Here, the second side portion 2121 may be
disposed to be tilted with respect to the first side portion
2113.
[0323] Referring to FIG. 40, while the first protruding portion
2125 is disposed in the fourth fastening hole 2113b, the second
side portion 2121 may be rotated and pressed against one surface of
the first side portion 2113.
[0324] The first protruding portion 2125 may extend to be parallel
to a direction opposite to the second side portion 2121.
[0325] Accordingly, the first protruding portion 2125 may be
pressed against another surface of the first side portion 2113 and
may stably support the second side portion 2121. Also, it is
possible to facilitate a bolt-fastening operation between the first
housing 2110 and the second housing 2120.
[0326] Referring to FIG. 41, coupling between the first housing
2110 and the second housing 2120 may be completed through fastening
of a fastening member such as a bolt and the like.
[0327] FIG. 42 is a perspective view illustrating the light source
module of FIG. 35, and FIG. 43 is an exploded perspective view of
the light source module of FIG. 42.
[0328] Referring to FIGS. 42 and 43, the light source module 2300
may include a frame 2310, a first circuit board 2320, and a
plurality of ultraviolet light emitting devices 2330 and may
further include a reflection member 2340.
[0329] The frame 2310 may include a fixing portion 2311, a second
bent portion 2313 bent from the fixing portion 2311, and a pair of
second protruding portions 2315 bent from both ends of the fixing
portion 2311 to face each other and may further include a pair of
third protruding portions 2317 bent from the fixing portion 2311 to
face the second bent portion 2313.
[0330] The second bent portion 2313 and the second protruding
portions 2315 may be bent from the fixing portion 2311 in mutually
opposite directions. For example, the second bent portion 2313 may
be bent below the fixing portion 2311, and the second protruding
portion 2315 may be bent above the fixing portion 2311.
[0331] The frame 2310 may include Al but is not necessarily limited
thereto and may include other materials having an excellent heat
dissipation property. The first circuit board 2320 may be disposed
on the second bent portion 2313.
[0332] The first circuit board 2320 may include a wire (not shown)
used for power supply or the like.
[0333] The plurality of ultraviolet light emitting devices 2330 may
be disposed in a row on the first circuit board 2320.
[0334] The ultraviolet light emitting devices 2330 may output light
UV-A of a near-ultraviolet wavelength range, may output light UV-B
of a far-ultraviolet wavelength range, and may output light UV-C of
a deep-ultraviolet wavelength range. A wavelength range of light
may be determined by a composition ratio of Al in a semiconductor
structure.
[0335] For example, the light UV-A of the near-ultraviolet
wavelength range may have a range from 320 nm to 420 nm, the light
UV-B of the far-ultraviolet wavelength range may have a range from
280 nm to 320 nm, and the light UV-C of the deep-ultraviolet
wavelength range may have a range from 100 nm to 280 nm. The
reflection member 2340 may be disposed on the first circuit board
2320.
[0336] The reflection member 2340 and the first circuit board 2320
may be fixed together to the second bent portion 2313 by a
fastening member such as a bolt and the like.
[0337] The reflection member 2340 may reflect light emitted from
the ultraviolet light emitting devices 2330. Also, the reflection
member 2340 may perform a heat dissipation function of externally
dissipating heat generated from the ultraviolet light emitting
devices 2330. It may be significant for the ultraviolet light
emitting device 2330 to quickly dissipate heat.
[0338] The reflection member 2340 may include Al but is not
necessarily limited thereto and may include other materials having
a high ultraviolet light reflectance.
[0339] FIG. 44 is a front view of the light source module of FIG.
42, FIG. 45 is a plan view of the light source module of FIG. 42,
and FIG. 46 is a side view of the light source module of FIG.
42.
[0340] Referring to FIG. 44, the frame 2310 may include a pair of
fourth protruding portions 2319a bent from one end of the second
bent portion 2313 in the Y-axis direction (second direction)
perpendicular to the X-axis direction (first direction) and may
include a pair of fifth protruding portions 2319b bent from another
end of the second bent portion 2313 in the second direction. The
fourth protruding portions 2319a may be disposed below the fifth
protruding portions 2319b. That is, a distance between the fixing
portion 2311 and the fourth protruding portions 2319a may be
greater than a distance between the fixing portion 2311 and the
fifth protruding portions 2319b.
[0341] The fourth protruding portions 2319a and the fifth
protruding portions 2319b may be adjacent to side surfaces of the
first circuit board 2320 which face each other. Particularly, the
pair of fourth protruding portions 2319a may be disposed in a pair
of second recesses 2320a formed in the first circuit board 2320.
Accordingly, the first circuit board 2320 may be stably supported,
on the second bent portion 2313, by the fourth protruding portions
2319a and the fifth protruding portions 2319b. As a result, a user
may fasten a fastening member such as a bolt and the like while the
first circuit board 2320 is stably supported.
[0342] The fourth protruding portions 2319a and the fifth
protruding portions 2319b may be disposed while being spaced apart
in the X-axis direction. That is, the fourth protruding portions
2319a and the fifth protruding portions 2319b may be mutually
misaligned. Accordingly, an area in which a circuit pattern (not
shown) of the first circuit board 2320 may be formed without
interference with the second recesses 2320a may be secured above or
below the ultraviolet light emitting devices 2330.
[0343] The plurality of ultraviolet light emitting devices 2330 may
be disposed to be spaced apart from each other in the X-axis
direction.
[0344] The reflection member 2340 may include a first reflector
2341 disposed on the first circuit board 2320 and second and third
reflectors 2342 and 2343 bent from both ends of the first reflector
2341 in the Y-axis direction.
[0345] The first to third reflectors 2341, 2342, and 2343 may
extend in the X-axis direction, and the second reflector 2342 and
the third reflector 2343 may be disposed while being spaced apart
in the Y-axis direction. The first reflector 2341 may include a
plurality of first through holes 2341a in which the plurality of
ultraviolet light emitting devices 2330 are disposed.
[0346] Referring to FIG. 45, the fixing portion 2311 may include a
first side surface 2311a connected to the second bent portion 2313,
a second side surface 2311b facing the first side surface 2311a, a
first recess 2311c formed in the second side surface 2311b to be
concave toward the first side surface 2311a, and a fifth fastening
hole 2311d passing through one surface and another surface of the
fixing portion 2311.
[0347] The fixing portion 2311 may include a pair of convex
portions 2311e protruding into the first recess 2311c and connected
to the pair of third protruding portions 2317, respectively, and a
concave portion 2311f disposed between the pair of protruding
portions 311e. The convex portions 2311e may extend in the Z-axis
direction (third direction) perpendicular to the X-axis direction
and the Y-axis direction, and the pair of convex portions 2311e may
be disposed to be spaced apart from each other in the X-axis
direction. Accordingly, the fixing portion 2311 may have a first
width W1 from the first side surface 2311a to the concave portion
2311f which is smaller than a second width W2 from the first side
surface 2311a to the convex portion 2311e. In other words, a width
of the first recess 2311c may be extended by as much as a width of
the concave portion 2311f.
[0348] The first through hole 2341a of the first reflector 2341 may
extend to the second reflector and the third reflector 2343.
Accordingly, side surfaces of the ultraviolet light emitting device
2330 may be exposed outside the reflection member 2340 through the
first through hole 2341a.
[0349] Referring to FIG. 46, the second reflector 2342 and the
third reflector 2343 may be disposed to be tilted from the first
reflector 2341 at a certain angle.
[0350] The second reflector 2342 and the third reflector 2343 may
be disposed to be spaced apart from each other in the Y-axis
direction. A distance D1 between the second reflector 2342 and the
third reflector 2343 may gradually increase in a direction away
from the first circuit board 2320. For example, an angle formed
between the second reflector 2342 and the third reflector 2343 may
be from 20 degrees to 60 degrees but is not necessarily limited
thereto.
[0351] FIG. 47 is a plan view illustrating the front portion of the
first housing of FIG. 35, and FIG. 48 is a view illustrating a
state in which the light source module is coupled to the front
portion of FIG. 47.
[0352] Referring to FIGS. 35 and 47, the front portion 2115 may
include a sixth fastening hole 2115a passing through the front
portion 2115. The sixth fastening hole 2115a may be disposed
corresponding to the fifth fastening hole 2311d of the light source
module 2300. Accordingly, the light source module 2300 may be fixed
to the first housing 2110 by fastening members such as bolts and
the like inserted into the fifth fastening hole 2311d and the sixth
fastening hole 2115a.
[0353] The front portion 2115 may include a second through hole
2115b passing through the front portion 2115. The second through
hole 2115b may expose the connector 2140 disposed on the second
circuit board 2130.
[0354] The front portion 2115 may include a pair of seventh
fastening holes 2115c passing through the front portion 2115. The
third protruding portion 2317 of the light source module 2300 may
be inserted into the seventh fastening hole 2115c. Accordingly, a
user may fix a position of the light source module 2300 by
inserting the third protruding portion 2317 into the seventh
fastening hole 2115c. In this state, the light source module 2300
may be coupled to the first housing 2110 by a fastening member such
as a bolt and the like.
[0355] Referring to FIG. 48, the light source module 2300 may be
fixed to the front portion 2115 of the first housing 2110 by a
fastening member such as a bolt and the like. Here, the first
recess 2311c of the fixing portion 2311 may be overlapped with the
second through hole 2115b of the front portion 2115. Accordingly,
the connector 2140 disposed on the second circuit board 2130 may be
exposed outward through the second through hole 2115b and the first
recess 2311c. As a result, while the light source module 2300 is
stably fixed to the housing 2100 first, the user may connect a wire
(not shown) of the first circuit board 2320 to the connector 2140
of the second circuit board 2130. Also, the concave portion 2311f
of the fixing portion 2311 may also be overlapped with the second
through hole 2115b of the front portion 2115 so as to further
improve a wire connection operation. Meanwhile, the pair of second
protruding portions 2315 may be utilized as a handle when the user
attaches or detaches the light source module 2300 but is not
necessarily limited thereto.
[0356] FIG. 49 is a cross-sectional view of the ultraviolet
irradiation device of FIG. 34.
[0357] Referring to FIG. 49, the housing 2100 may include an inlet
E1 and an outlet E2. The handrail may continuously pass through the
housing 2100 through the inlet E1 and the outlet E2. The first
elastic pad 2531 and the second elastic pad 2541 may be disposed on
the inlet E1 and the outlet E2, respectively, to be spaced apart
from one surface 2030a of the handrail.
[0358] The top portion 2111 of the first housing 2110 may be
disposed to face the one surface 2030a of the handrail, and the
pair of first side portions 2113 may be disposed to face both side
surfaces of the handrail. The second circuit board 2130 may be
disposed on the top portion 2111 to face the one surface 2030a of
the handrail.
[0359] The first housing 2110 may accommodate the light source
module 2300 and the power source module 2400. The light source
module 2300 may emit ultraviolet light toward the one surface 2030a
of the handrail, and the power source module 2400 may come into
contact with the one surface 2030a of the handrail and may generate
power to be supplied to the light source module 2300.
[0360] The power source module 2400 may include a roller 2410
configured to come into contact with the one surface 2030a of the
handrail and a power supply portion 2420 configured to produce
power through rotation of the roller 2410. The roller 2410 and the
power supply portion 2420 may be connected by a gear (not shown).
The power supply portion 2420 may include a variety of types of
self-generation structures capable of converting torque of the
roller 2410 into power.
[0361] The power source module 2400 may directly supply power
generated by the power supply portion 2420 to the light source
module 2300 but is not necessarily limited thereto. For example,
the power source module 2400 may store and utilize part of the
power generated by the power supply portion 2420 in a battery (not
shown) as emergency power.
[0362] The roller 2410 and the power supply portion 2420 may be
disposed in a direction from the inlet E1 to the outlet E2 of the
housing 2100. That is, the roller 2410 may be disposed to be
farther from the inlet E1 than the power supply portion 2420 and
may be disposed to be closer to the light source module 2300. The
above components may solve a problem in which a user's hand is
drawn into an ultraviolet irradiation device due to the roller
2410.
[0363] The power supply portion 2420 may be disposed to be higher
than a position at which the roller 2410 comes into contact with
the one surface 2030a of the handrail by as much as a certain
height h1. That is, the power supply portion 2420 may be disposed
to be spaced apart from the one surface 2030a of the handrail.
[0364] The power source module 2400 may be rotatably coupled to the
pair of first side portions 2113 of the first housing 2110 through
a rotating shaft 2400a and may include an elastic member 2430. The
elastic member 2430 may rotate the power source module 2400 so as
to press the roller 2410 against the one surface 2030a of the
handrail. The elastic member 2430 may be coupled to the rotating
shaft 2400a. The elastic member 2430 may include a spring but is
not necessarily limited thereto. Also, the power source module 2400
may have a limited rotation range. For example, the power source
module 2400 may come into contact with the top portion 2111 of the
first housing 2110 so as to restrict clockwise rotation and may
come into contact with a stopper pin 2113c coupled to the first
side portion 2113 so as to restrict counterclockwise rotation.
Accordingly, stability of a product, work convenience, and the like
may be improved.
[0365] FIG. 50 is a cross-sectional view taken along line A-A of
FIG. 49.
[0366] Referring to FIG. 50, the pair of first side portions 2113
of the first housing 2110 may be disposed to face both side
surfaces 2030b of the handrail, respectively. Accordingly, the side
cases 2520 configured to surround the first side portions 2113 of
the first housing 2110 may also be disposed to face the both side
surfaces 2030b of the handrail. The fourth reflector 2521a and the
fifth reflector 2521b may be coupled to the side cases 2520 by
fastening members such as bolts and the like and may be disposed to
face the both side surfaces 2030b of the handrail,
respectively.
[0367] The fourth reflector 2521a and the fifth reflector 2521b may
reflect part of light emitted from the ultraviolet light emitting
devices 2330 and may emit the reflected light toward the both side
surfaces 2030b of the handrail.
[0368] The fourth reflector 2521a and the fifth reflector 2521b may
be disposed to be spaced apart in the X-axis direction, and a
distance between the fourth reflector 2521a and the fifth reflector
2521b may be gradually decreased in a direction away from the first
circuit board 2320. Due to the above components, even when light
sources are not disposed additionally on the side surfaces 2030b of
the handrail, part of the light emitted from the ultraviolet light
emitting devices 2330 may be reflected by the fourth reflector
2521a and the fifth reflector 2521b and may be emitted toward the
side surfaces 2030b of the handrail. The fourth reflector 2521a and
the fifth reflector 2521b may have the same or different
curvatures.
[0369] FIG. 51 is a perspective view illustrating an ultraviolet
irradiation device according to a fourth embodiment of the present
invention, and FIG. 52 is an exploded perspective view of a housing
and a fixing portion of FIG. 51.
[0370] Referring to FIG. 51, an ultraviolet irradiation device
2010' according to the fourth embodiment of the present invention
may include a housing 2100, a coupling portion 2200, and a light
source module (not shown) and may further include a power source
module (not shown) and/or a case 2500. Since the light source
module, the power source module, and the case 2500 are
substantially equal to those applied to the ultraviolet irradiation
device 2010 according to the third embodiment of the present
invention, a description thereof will be omitted.
[0371] Referring to FIG. 52, the housing 2100 may include a first
housing 2100 and a pair of third housings 2150 coupled to the first
housing 2100.
[0372] The first housing 2100 may include a top portion 2111 and a
pair of first side portions 2113 and may further include a front
portion 2115 and/or a rear portion 2117.
[0373] The top portion 2111 may be disposed to be perpendicular to
the pair of first side portions 2113, the front portion 2115, and
the rear portion 2117.
[0374] The pair of first side portions 2113 may be disposed to face
each other. The front portion 2115 and the rear portion 2117 may be
disposed to face each other and may be disposed to be perpendicular
to the pair of first side portions 2113.
[0375] The third housing 2150 may include a third side portion
2151, and the third side portion 2151 may include a plurality of
ninth fastening holes 2151a passing through the third side portion
2151.
[0376] The plurality of ninth fastening holes 2151a may be disposed
at positions corresponding to a plurality of first fastening holes
2113a passing through the first side portion 2113. That is, a
distance between the plurality of ninth fastening holes 2151a may
be equal to a distance between the plurality of first fastening
holes 2113a.
[0377] Accordingly, the third housing 2150 may be coupled to the
first housing 2110 by fastening members such as bolts and the like
disposed in the first fastening holes 2113a and the ninth fastening
holes 2151a.
[0378] The coupling portion 2200 may fix the housing 2100 to a
target structure. The coupling portion 2200 may include first and
second coupling plates 2210 and 2220 coupled to a pair of such
third side portions 2151, respectively, and a plurality of nuts
2230 and 2240 disposed between the third side portion 2151 and the
first coupling plate 2210 and/or between the third side portion
2151 and the second coupling plate 2220. The plurality of nuts 2230
and 2240 may include a pair of first nuts 2230 and a pair of second
nuts 2240 shorter than the first nuts 2230.
[0379] The third side portions 2151, the first coupling plate 2210,
the second coupling plate 2220, and the nuts 2230 and 2240 may be
coupled to one another using bolts. Here, the bolts may include
stud bolts.
[0380] FIGS. 53 to 56 are views illustrating a variety of examples
of installing the ultraviolet irradiation device of FIG. 51.
[0381] Referring to FIGS. 53 to 56, a target structure 2020 may
include a plate 2050 disposed inside a moving structure 2030, for
example, a handrail rotating on an infinite orbit and configured to
support the moving structure 2030. The plate 2050 may be a glass
plate but is not necessarily limited thereto.
[0382] A position of the plate 2050 may vary according to a type of
the target structure 2020. For example, the plate may be disposed
on a central line A of the moving structure 2030 as shown in FIG.
55 or may be disposed to be spaced at a certain distance e apart
from the central line A of the moving structure 2030 as shown in
FIGS. 53, 54, and 56. Accordingly, a distance a between one first
side portion 2151 and the first coupling plate 2210 and a distance
b between the other first side portion 2151 and the second coupling
plate 2220 may be adjusted using a variety of arrangements of the
pair of first nuts 2230 and the pair of second nuts 2240.
[0383] A length c1 of the first nut 2230 may be longer than a
length c2 of the second nut 2240 by two or three times, and
preferably, by 2.5 times.
[0384] The length c1 of the first nut 2230 may be 22 mm to 28 mm,
and preferably, 25 mm. The length c2 of the second nut 2240 may be
9 mm to 11 mm, and preferably, 10 mm.
[0385] A thickness t1 of the first coupling plate 2210 and the
second coupling plate 2220 may be 10 mm to 12 mm, and preferably,
11 mm. Films f may be attached to surfaces of the first coupling
plate 2210 and the second coupling plate 2220 which face each
other. A thickness t2 of the films f may be 0.9 mm to 1.1 mm, and
preferably, 1 mm. A thickness t3 of the plate 2050 may be 6 mm to
10 mm, and preferably, 8 mm.
[0386] A distance d1 between the pair of third side portions 2151
may be 110 mm to 120 mm, and preferably, 114 mm.
[0387] A length which is adjustable by a bolt coupled to the first
nut 2230 may be 0 mm to 13 mm. That is, it is possible to adjust a
distance between the first coupling plate 2210 and the second
coupling plate 2220 by adjusting a protruding length d2 of the bolt
coupled to the first nut 2230.
[0388] FIG. 57 illustrates a basic example of the ultraviolet
irradiation device of FIG. 33.
[0389] Referring to FIG. 57, the ultraviolet irradiation device
2010 may include the first housing 2110, a pair of such second
housings 2120, and the light source module 2300. The first housing
2110 may include the top portion 2111 and the pair of first side
portions 2113 facing each other with the top portion 2111
therebetween. The pair of second housings 2120 may be coupled to
the pair of first side portions 2113, respectively. The second
housing 2120 may include second side portions 2121 connected to the
first side portions 2113 and first bent portions 2123 bent from the
second side portions 2121 to face the top portion 2111. The first
side portion 111 may include a plurality of first fastening holes
2113a passing through the first side portion 111. The second side
portion 2121 may include a plurality of second fastening holes
2121a passing through the second side portion 2121 at positions
corresponding to the plurality of first fastening holes 2113a. The
first bent portion 2123 may include a third fastening hole 2123a
passing through the first bent portion 2123. The second fastening
holes 2121a may have a long hole shape longer than the first
fastening holes 2113a in a direction toward the top portion 2111
and the first bent portion 2123, for example, in the Z-axis
direction. The above description with reference to FIGS. 33 to 50
may be applied equally to the ultraviolet irradiation device 2010
of FIG. 57.
[0390] There is provided a method of installing an ultraviolet
irradiation device on a moving structure. Here, the ultraviolet
irradiation device includes a first housing including a top portion
and a pair of first side portions facing each other with the top
portion therebetween; a pair of second housings coupled to the pair
of first side portions, respectively; and a light source module
disposed on the top portion of the first housing. The second
housings each include second side portions connected to the first
side portions and first bent portions bent from the second side
portions to face the top portion. The first side portions each
include a plurality of first fastening holes passing through the
first side portions. The second side portions each include a
plurality of second fastening holes passing through the second side
portions at positions corresponding to the plurality of first
fastening holes. The first bent portions each include a plurality
of third fastening holes passing through the first bent portions.
The second fastening holes have a long hole shape longer than the
first fastening holes in a direction toward the top portion and the
first bent portions. The method may include disposing the first
bent portions of the second housing on a support frame of the
moving structure; fixing the second housings to a target structure
by fastening fastening members such as bolts and the like to the
support frame through the third fastening holes; connecting first
side portions of the first housing to second side portions of the
second housings by disposing fastening members such as bolts and
the like in the first fastening holes and the second fastening
holes; and disposing the light source module on the top portion of
the first housing to face one surface of the moving structure. In
the above, respective operations of the method of installing the
ultraviolet irradiation device are not restricted by an order. The
components stated in the method of installing the ultraviolet
irradiation device may be referred to as the same reference
numerals as the components having the same designations described
with reference to FIGS. 33 to 56.
[0391] Although the embodiments have been described above, the
embodiments are merely examples and are not intended to limit the
present invention and it may be seen that a variety of
modifications and applications not described above may be made by
one of ordinary skill in the art without departing from the
essential features of the embodiments. For example, the components
described in the embodiments may be implemented while being
modified. Also, it should be noted that differences related to the
modifications and applications are included within the scope of the
present invention defined by following the claims.
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